All Stories

  1. NMR Fingerprints as a Predictive Model to Monitor Punaglandins in the Soft Coral Carijoa (Telesto) riisei (Duchassaing & Michelotti, 1860)
  2. Waterborne conspecific cues enhance larval settlement in the invasive jellyfish Aurelia coerulea
  3. Anthelmintic Potential of Agelasine Alkaloids from the Australian Marine Sponge Agelas axifera
  4. Marine natural products
  5. Cheminformatics-Guided Exploration of Synthetic Marine Natural Product-Inspired Brominated Indole-3-Glyoxylamides and Their Potentials for Drug Discovery
  6. Synthesis and Cheminformatics-Directed Antibacterial Evaluation of Echinosulfonic Acid-Inspired Bis-Indole Alkaloids
  7. Structure Revision of Formyl Phloroglucinol Meroterpenoids: A Unified Approach Using NMR Fingerprinting and DFT NMR and ECD Analyses
  8. Marine natural products
  9. Cyclotheonellazoles D-I, Potent Elastase Inhibitory Thiazole-Containing Cyclic Peptides from Theonella sp. (2131)
  10. α-Synuclein Aggregation Inhibitory and Antiplasmodial Activity of Constituents from the Australian Tree Eucalyptus cloeziana
  11. Camaldulensals A–C, the First Meroterpenoids Possessing Two Spatially Separated Formyl Phloroglucinols Conjugated to a Terpene Core from the Leaves of Eucalyptus camaldulensis Dehnh
  12. NMR Fingerprints of Formyl Phloroglucinol Meroterpenoids and Their Application to the Investigation of Eucalyptus gittinsii subsp. gittinsii
  13. Amphiphilic Polyamine α-Synuclein Aggregation Inhibitors from the Sponge Aaptos lobata
  14. α-Synuclein Aggregation Inhibitory Procerolides and Diphenylalkanes from the Ascidian Polycarpa procera
  15. Marine natural products
  16. Marine indole alkaloid diversity and bioactivity. What do we know and what are we missing?
  17. Exploring lipid affinities of persistent organic pollutants and MeO-PBDEs in blubber of marine mammals
  18. Field-scale monitoring of green sea turtles (Chelonia mydas): Influence of site characteristics and capture technique on the blood metabolome
  19. Echiumin E, an Aryl Dihydronaphthalene Lignan from the Australian Invasive Plant Paterson’s Curse (Echium plantagineum)
  20. Understanding of black salve toxicity by multi-compound cytotoxicity assays
  21. Effects of terrestrial dissolved organic matter on a bloom of the toxic cyanobacteria, Raphidiopsis raciborskii
  22. α-Synuclein binding activity of the plant growth promoter asterubine
  23. Solid and hollow nanoparticles templated using non-ionic surfactant-based reverse micelles and vesicles
  24. α-Synuclein Aggregation Inhibitory Prunolides and a Dibrominated β-Carboline Sulfamate from the Ascidian Synoicum prunum
  25. How different are marine microbial natural products compared to their terrestrial counterparts?
  26. Marine natural products
  27. Hesperine, a new imidazole alkaloid and α-synuclein binding activity of 1-methyl-1,2,7,8-tetrahydro-2,8-dioxoadenosine from the marine sponge Clathria (Thalysias) cf. hesperia
  28. α-synuclein aggregation inhibitory activity of the bromotyrosine derivatives aerothionin and aerophobin-2 from the subtropical marine sponge Aplysinella sp
  29. Temporal trends in metabolite profiles correspond with seasonal patterns of temperature and rainfall during field-scale ecotoxicology assessment
  30. Sycosterol A, an α-Synuclein Inhibitory Sterol from the Australian Ascidian Sycozoa cerebriformis
  31. Rhizostomins: A Novel Pigment Family From Rhizostome Jellyfish (Cnidaria, Scyphozoa)
  32. Terrestrial dissolved organic matter source affects disinfection by-product formation during water treatment and subsequent toxicity
  33. Isolation of the 3′R and 3′S diastereomers of fasciculic acid C from the Australian mushroom Hypholoma australianum
  34. Tedaniophorbasins A and B—Novel Fluorescent Pteridine Alkaloids Incorporating a Thiomorpholine from the Sponge Tedaniophorbas ceratosis
  35. Chronic pesticide exposure elicits a subtle carry-over effect on the metabolome of Aurelia coerulea ephyrae
  36. Improving rehabilitation outcomes using metabolomics: Health, recovery and biomarkers of mortality in sick and injured green turtles (Chelonia mydas)
  37. Marine natural products
  38. Natural products dereplication by diffusion ordered NMR spectroscopy (DOSY)
  39. Anti-prion and α-Synuclein Aggregation Inhibitory Sterols from the Sponge Lamellodysidea cf. chlorea
  40. Identification of compounds from terrestrial dissolved organic matter toxic to cyanobacteria
  41. Citronamine A, an Antiplasmodial Isoquinoline Alkaloid from the Australian Marine Sponge Citronia astra
  42. Antiplasmodial Alkaloids from the Australian Bryozoan Amathia lamourouxi
  43. Leaf litter of two riparian tree species has contrasting effects on nutrients leaching from soil during large rainfall events
  44. Correction to Lamellarin Sulfates from the Pacific Tunicate Didemnum ternerratum
  45. Physiological stress response of the scleractinian coral Stylophora pistillata exposed to polyethylene microplastics
  46. Polyps of the Jellyfish Aurelia aurita Are Unaffected by Chronic Exposure to a Combination of Pesticides
  47. Structure Revisions of the Sponge-Derived Dibrominated Bis-indole Alkaloids, Echinosulfone A and the Echinosulfonic Acids A to D
  48. Plant source and soil interact to determine characteristics of dissolved organic matter leached into waterways from riparian leaf litter
  49. Orthoscuticellines A–E, β-Carboline Alkaloids from the Bryozoan Orthoscuticella ventricosa Collected in Australia
  50. Marine natural products
  51. Leptanoine D, a New Quinoline Alkaloid from the Australian Tree Pitaviaster haplophyllus (Rutaceae)
  52. Effects of photochemical and microbiological changes in terrestrial dissolved organic matter on its chemical characteristics and phytotoxicity towards cyanobacteria
  53. Antiplasmodial Bis-Indole Alkaloids from the Bark of Flindersia pimenteliana
  54. Two new betaines from the Australian bryozoan Amathia lamourouxi
  55. Anti-prion Butenolides and Diphenylpropanones from the Australian Ascidian Polycarpa procera
  56. Lamellarin Sulfates from the Pacific Tunicate Didemnum ternerratum
  57. Integrated Approaches for Marine Actinomycete Biodiscovery
  58. Frontiers in Clinical Drug Research - Anti-Infectives: Volume 5
  59. Acrotrione: An Oxidized Xanthene from the Roots of Acronychia pubescens
  60. NMR-based lipidomics of fish from a metal(loid) contaminated wetland show differences consistent with effects on cellular membranes and energy storage
  61. Capillasterin A, a Novel Pyrano[2,3-f]chromene from the Australian Crinoid Capillaster multiradiatus
  62. Marine natural products
  63. Detecting co-cultivation induced chemical diversity via 2D NMR fingerprints
  64. Three New Spongian Diterpenes from the Marine Sponge Dendrilla rosea
  65. Untargeted NMR-based metabolomics for field-scale monitoring: Temporal reproducibility and biomarker discovery in mosquitofish (Gambusia holbrooki) from a metal(loid)-contaminated wetland
  66. β-Triketone–Monoterpene Hybrids from the Flowers of the Australian Tree Corymbia intermedia
  67. Structural and conformational studies of the heparan sulfate mimetic PI-88
  68. Alkaloid diversity in the leaves of Australian Flindersia (Rutaceae) species driven by adaptation to aridity
  69. Yeast-based screening of natural product extracts results in the identification of prion inhibitors from a marine sponge
  70. Antiplasmodial β-Triketone–Flavanone Hybrids from the Flowers of the Australian TreeCorymbia torelliana
  71. Metabolite profiles of striped marsh frog ( Limnodynastes peronii ) larvae exposed to the anti-androgenic fungicides vinclozolin and propiconazole are consistent with altered steroidogenesis and oxidative stress
  72. HSQC-TOCSY Fingerprinting-Directed Discovery of Antiplasmodial Polyketides from the Marine Ascidian-Derived Streptomyces sp. (USC-16018)
  73. 1H NMR-based metabolomics reveals interactive effects between the carrier solvent methanol and a pharmaceutical mixture in an amphibian developmental bioassay with Limnodynastes peronii
  74. The effect ofPsephodiplosis rubi(Diptera: Cecidomyiidae) leaf galls on the secondary metabolite profiles of two congeneric host plants
  75. Microthecaline A, a Quinoline Serrulatane Alkaloid from the Roots of the Australian Desert Plant Eremophila microtheca
  76. HSQC–TOCSY Fingerprinting for Prioritization of Polyketide- and Peptide-Producing Microbial Isolates
  77. Marine natural products
  78. Pimentelamines A–C, Indole Alkaloids Isolated from the Leaves of the Australian Tree Flindersia pimenteliana
  79. Taxonomic and Metabolite Diversity of Actinomycetes Associated with Three Australian Ascidians
  80. Prenylated xanthones from the stem bark of Garcinia dulcis
  81. Complete assignment of the1H NMR data and reassignment of13C NMR data of four spongian diterpenes
  82. Database for Rapid Dereplication of Known Natural Products Using Data from MS and Fast NMR Experiments
  83. New structural insights into the oligosaccharide phosphate fraction of Pichia ( Hansenula ) holstii NRRL Y2448 phosphomannan
  84. Antiplasmodial β-triketones from the flowers of the Australian tree Angophora woodsiana
  85. Pre-exposure to simultaneous, but not individual, climate change stressors limits acclimation capacity of Irukandji jellyfish polyps to predicted climate scenarios
  86. Symbiodinium mitigate the combined effects of hypoxia and acidification on a noncalcifying cnidarian
  87. New prenylated dihydrochalcones from the leaves of Artocarpus elasticus
  88. 1 H NMR-based metabolomics reveals sub-lethal toxicity of a mixture of diabetic and lipid-regulating pharmaceuticals on amphibian larvae
  89. Effect of environmental conditions on cetacean entanglements: a case study from the Gold Coast, Australia
  90. A meta-analysis of the effects of galling insects on host plant secondary metabolites
  91. A novel class of indole alkaloids isolated from Flindersia pimenteliana (Rutaceae)
  92. Naseseazine C, a new anti-plasmodial dimeric diketopiperazine from a marine sediment derived Streptomyces sp.
  93. Surviving but not thriving: inconsistent responses of zooxanthellate jellyfish polyps to ocean warming and future UV-B scenarios
  94. Chemical and Biological Aspects of Marine Sponges from the Family Mycalidae
  95. Structure Revision of Four Acylphloroglucinols Isolated from the Leaves of Syzygium polyanthum
  96. Reduced salinity increases susceptibility of zooxanthellate jellyfish to herbicide toxicity during a simulated rainfall event
  97. Dragmacidol A and dragmacidolide A from the Australian marine sponge Dragmacidon australe
  98. Puupehenol, a Potent Antioxidant Antimicrobial Meroterpenoid from a Hawaiian Deep-WaterDactylospongiasp. Sponge
  99. Euodenine A: A Small-Molecule Agonist of Human TLR4
  100. Acylphloroglucinols from Callistemon lanceolatus DC.
  101. New acridone from the wood of Citrus reticulata Blanco
  102. Front-Loading Natural-Product-Screening Libraries for logP:Background, Development, and Implementation
  103. Pyridocoumarin, aristolactam and aporphine alkaloids from the Australian rainforest plant Goniothalamus australis
  104. Pteridine-, thymidine-, choline- and imidazole-derived alkaloids from the Australian ascidian, Leptoclinides durus
  105. Watsonianone A–C, anti-plasmodial β-triketones from the Australian tree, Corymbia watsoniana
  106. Visible light active pure rutile TiO2 photoanodes with 100% exposed pyramid-shaped (111) surfaces
  107. Albopunctatone, an Antiplasmodial Anthrone-Anthraquinone from the Australian AscidianDidemnum albopunctatum
  108. Kororamide A, a new tribrominated indole alkaloid from the Australian bryozoan Amathia tortuosa
  109. A new chromone from the leaves of Melaleuca cajuputi Powell
  110. Neolignans from Callistemon lanceolatus
  111. Twilight Zone Sponges from Guam Yield Theonellin Isocyanate and Psammaplysins I and J
  112. High resolution spatial mapping of brominated pyrrole-2-aminoimidazole alkaloids distributions in the marine sponge Stylissa flabellata via MALDI-mass spectrometry imaging
  113. Tomentosones A and B, Hexacyclic Phloroglucinol Derivatives from the Thai Shrub Rhodomyrtus tomentosa
  114. Mitchellenes A–E, Cyclic Sesquiterpenes from the Australian PlantEremophila mitchellii
  115. In situ photoelectrocatalytic generation of bactericide for instant inactivation and rapid decomposition of Gram-negative bacteria
  116. Wilsoniamines A and B: novel alkaloids from the temperate Australian bryozoan, Amathia wilsoni
  117. Aplidiopsamine A, an Antiplasmodial Alkaloid from the Temperate Australian Ascidian,Aplidiopsis confluata
  118. Caelestines A−D, Brominated Quinolinecarboxylic Acids from the Australian AscidianAplidium caelestis
  119. A Bastadin with Potent and Selective δ-Opioid Receptor Binding Affinity from the Australian SpongeIanthella flabelliformis
  120. Carbene induced rearrangement products from two furoquinolinone scaffolds
  121. Botryllamides K and L, new tyrosine derivatives from the Australian ascidian Aplidium altarium
  122. Hasubanan Alkaloids with δ-Opioid Binding Affinity from the Aerial Parts ofStephania japonica
  123. Antitrypanosomal pyridoacridine alkaloids from the Australian ascidian Polysyncraton echinatum
  124. Pestalactams A–C: novel caprolactams from the endophytic fungus Pestalotiopsis sp.
  125. Cytotoxic agarofurans from the seeds of the Australian rainforest vine Celastrus subspicata
  126. Guttiferones O and P, Prenylated Benzophenone MAPKAPK-2 Inhibitors fromGarcinia solomonensis
  127. Clavatadines C−E, Guanidine Alkaloids from the Australian Sponge Suberea clavata
  128. Citronamides A and B, Tetrapeptides from the Australian SpongeCitronia astra
  129. Leptoclinidamines A−C, Indole Alkaloids from the Australian AscidianLeptoclinides durus
  130. (−)-Dibromophakellin: An α2B adrenoceptor agonist isolated from the Australian marine sponge, Acanthella costata
  131. Flinderoles A−C: Antimalarial Bis-indole Alkaloids fromFlindersiaSpecies
  132. Developing a Drug-like Natural Product Library
  133. Myrtucommulones F−I, Phloroglucinols with Thyrotropin-Releasing Hormone Receptor-2 Binding Affinity from the Seeds ofCorymbia scabrida
  134. Prenylated Dihydrochalcones fromBoronia bipinnatathat Inhibit the Malarial Parasite Enzyme Target Hemoglobinase II
  135. Aplysamine 6, an Alkaloidal Inhibitor of Isoprenylcysteine Carboxyl Methyltransferase from the Sponge Pseudoceratina sp.
  136. Clavatadine A, A Natural Product with Selective Recognition and Irreversible Inhibition of Factor XIa†
  137. Small-molecule inhibitors of the cancer target, isoprenylcysteine carboxyl methyltransferase, from Hovea parvicalyx
  138. Alkaloids from the Australian Rainforest TreeOchrosia moorei
  139. Exiguaquinol: A Novel Pentacyclic Hydroquinone from Neopetrosia exigua that Inhibits Helicobacter pylori MurI
  140. Corymbones A and B, Phloroglucinols with Thyrotropin Releasing Hormone Receptor 2 Binding Affinity from the Flowers ofCorymbia peltata
  141. Determination of Analyte Concentration Using the Residual Solvent Resonance in1H NMR Spectroscopy
  142. Spongian Diterpenes with Thyrotropin Releasing Hormone Receptor 2 Binding Affinity fromSpongiasp.
  143. Pim2 Inhibitors from the Papua New Guinean Plant Cupaniopsis macropetala ⊥
  144. Developing a Drug-like Natural Product Library⊥
  145. Lysianadioic acid, a carboxypeptidase B inhibitor from Lysiana subfalcata
  146. Polydiscamides B−D from a Marine Sponge Ircinia sp . as Potent Human Sensory Neuron-Specific G Protein Coupled Receptor Agonists
  147. Spermatinamine, the first natural product inhibitor of isoprenylcysteine carboxyl methyltransferase, a new cancer target
  148. Niphatoxin C, a Cytotoxic Tripyridine Alkaloid from Callyspongia sp.
  149. Vanillic Acid Derivatives from the Green Algae Cladophora socialis As Potent Protein Tyrosine Phosphatase 1B Inhibitors
  150. Psammaplysenes C and D, Cytotoxic Alkaloids from Psammoclemma sp.
  151. 4-Iodo-1H-pyrrole-2-carbaldehyde
  152. Endiandrin A, a Potent Glucocorticoid Receptor Binder Isolated from the Australian Plant Endiandra anthropophagorum
  153. Revised structure of palau’amine
  154. Indolizidine Alkaloids with δ-Opioid Receptor Binding Affinity from the Leaves ofElaeocarpusfuscoides
  155. Natural Products Isolated From Species of Halgerda Bergh, 1880 (Mollusca: Nudibranchia) and Their Ecological and Evolutionary Implications
  156. Natural Products, Stylissadines A and B, Specific Antagonists of the P2X 7 Receptor, an Important Inflammatory Target 1
  157. NMR spectral assignments of a new chlorotryptamine alkaloid and its analogues fromAcacia confusa
  158. The absolute stereochemistry and cytotoxicity of the ascidian-derived metabolite, longithorone J
  159. Synthesis of 5-methylfuro[3,2-c]quinolin-4(5H)-one via palladium-catalysed cyclisation of N-(2-iodophenyl)-N-methyl-3-furamide
  160. Grandisines C−G, Indolizidine Alkaloids from the Australian Rainforest TreeElaeocarpus grandis
  161. Perspicamides A and B, Quinolinecarboxylic Acid Derivatives from the Australian AscidianBotrylloidesperspicuum
  162. 4-(2-Thienyl)-1H-pyrrole-2-carbaldehyde
  163. Petrosamine B, an Inhibitor of theHelicobacterpyloriEnzyme Aspartyl Semialdehyde Dehydrogenase from the Australian SpongeOceanapiasp.
  164. Acutangulosides A−F, Monodesmosidic Saponins from the Bark ofBarringtoniaacutangula
  165. Grandisine A and B, Novel Indolizidine Alkaloids with Human δ-Opioid Receptor Binding Affinity from the Leaves of the Australian Rainforest TreeElaeocarpusgrandis
  166. Actinophyllic Acid, a Potent Indole Alkaloid Inhibitor of the Coupled Enzyme Assay Carboxypeptidase U/Hippuricase from the Leaves ofAlstoniaactinophylla(Apocynaceae)
  167. Tyrosine kinase inhibitors from the rainforest tree Polyscias murrayi
  168. A robust clustering approach for NMR spectra of natural product extracts
  169. Dysinosins B−D, Inhibitors of Factor VIIa and Thrombin from the Australian SpongeLamellodysideachlorea†
  170. Dysinosin A:  A Novel Inhibitor of Factor VIIa and Thrombin from a New Genus and Species of Australian Sponge of the Family Dysideidae
  171. 1,2-Bis(1H-indol-3-yl)ethane-1,2-dione, an Indole Alkaloid from the Marine SpongeSmenospongiasp.
  172. Lepadins F−H, Newcis-Decahydroquinoline Alkaloids from the Australian AscidianAplidiumtabascum
  173. The Synthesis of Two Combinatorial Libraries Using a 4-(2-Thienyl)-pyrrole Template
  174. Longithorols C−E. Three New Macrocyclic Sesquiterpene Hydroquinone Metabolites from the Australian Ascidian,Aplidiumlongithorax
  175. Prunolides A, B, and C:  Novel Tetraphenolic Bis-Spiroketals from the Australian AscidianSynoicumprunum
  176. New Lamellarin Alkaloids from the Australian Ascidian,Didemnum chartaceum
  177. Axinellamines A−D, Novel Imidazo−Azolo−Imidazole Alkaloids from the Australian Marine SpongeAxinellasp.
  178. Sideroxylonal C, a New Inhibitor of Human Plasminogen Activator Inhibitor Type-1, from the Flowers of Eucalyptus albens
  179. Longithorones J and K, Two New Cyclofarnesylated Quinone Derived Metabolites from the Australian AscidianAplidium longithorax
  180. Eudistomin V, a New β-Carboline from the Australian AscidianPseudodistoma aureum
  181. Dragmacidins:  New Protein Phosphatase Inhibitors from a Southern Australian Deep-Water Marine Sponge, Spongosorites sp.
  182. New large cage receptors. An example of selective phloroglucinol binding
  183. Studies of Australian Ascidians. 5. Virenamides A−C, New Cytotoxic Linear Peptides from the Colonial Didemnid AscidianDiplosomavirens
  184. Chemical aspects of mass spawning in corals. II. (-)-Epi-thunbergol, the sperm attractant in the eggs of the soft coral Lobophytum crassum (Cnidaria: Octocorallia)
  185. Chemical consequences of relocation of the soft coral Lobophytum compactum and its placement in contact with the red alga Plocamium hamatum
  186. Botryllamides A-D, new brominated tyrosine derivatives from styelid ascidians of the genus Botryllus
  187. Antiinflammatory activity of a Ghanaian antiarthritic herbal preparation: III
  188. Chemical aspects of mass spawning in corals. I. Sperm-attractant molecules in the eggs of the scleractinian coral Montipora digitata
  189. Coscinoquinol, a New Cytotoxic Sesterterpene From a Dictyoceratid Sponge, Coscinoderma sp.
  190. Helioxenicins A-C: Diterpenes from the blue coral Heliopora coerulea
  191. Intramolecular Oxidative Coupling of Aromatic Compounds. VI. An Efficient Synthesis of Some Dibenzocyclooctene Lignans
  192. Intramolecular Oxidative Coupling of Aromatic Compounds. VII. A Convenient Synthesis of (±)-Deoxyschizandrin
  193. Studies of Australian Ascidians. IV. Mollamide, a Cytotoxic Cyclic Heptapeptide From the Compound Ascidian Didemnum molle
  194. Variability of terpene content in the soft coralSinularia flexibilis (Coelenterata: Octocorallia), and its ecological implications
  195. Studies of Australian Soft Corals, XLIX. A New Biscembranoid and Its Probable Biosynthetic Precursors from the Soft Coral Sarcophyton tortuosum
  196. Antiarthritic effect of lupeol acetate
  197. Intramolecular Oxidative Coupling of Aromatic Compounds. V. para-para Diphenolic Oxidative Coupling as a Possible Route to the Eupodienone Skeleton
  198. New Imidazole Alkaloids From the Sponge Leucetta sp. and the Associated Predatory Nudibranch Notodoris gardineri
  199. Studies of Australian Ascidians. I. Six New Lamellarin-Class Alkaloids From a Colonial Ascidian, Didemnum sp.
  200. Studies of Australian Ascidians. II. Novel Cytotoxic Iodotyrosine-Based Alkaloids From Colonial Ascidians, Aplidium sp
  201. Studies of Australian Ascidians. III. A New Tetrahydrocannabinol Derivative From the Ascidian Synoicum castellatum
  202. Tropical Marine Algae. X. Isolaurefucin Methyl Ether, a New Lauroxocane Derivative From the Red Alga Dasyphila plumariodes
  203. A Complex Pyrrolo-oxazinone and Its Iodo Derivative Isolated from a Tunicate
  204. Constituents of Eupomatia Species. XII. Isolation of Constituents of the Tubers and Aerial Parts of Eupomatia bennettii and Determination of the Structures of New Alkaloids From the Aerial Parts of E. bennettii and Minor Alkaloids of E. laurina
  205. Constituents of Eupomatia Species. XIII. The Structures of New Lignans From the Tubers and Aerial Parts of Eupomatia bennettii
  206. Constituents of Eupomatia Species. xiv. The Structures of Eupomatilone-1, -2, -3, -4, -5, -6 and -7 Isolated From Eupomatia Bennettii
  207. Kuanoniamines A, B, C, and D: pentacyclic alkaloids from a tunicate and its prosobranch mollusk predator Chelynotus semperi
  208. Two imidazole alkaloids from a sponge
  209. Four beta-alkylpyridines from a sponge
  210. A Convenient Reagent for the Intermolecular Coupling of Aldehydes and Ketones to Form Olefins
  211. Constituents of Eupomatia Species. XI. New Eupodienone Lignans From the Flowers of Eupomatia laurina
  212. Polyalkylated cyclopentindoles: Cytotoxic fish antifeedants from a sponge, Axinella sp.
  213. A second shermilamine alkaloid from a tunicate Trididemnum sp