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  1. Guanidine hydrochloride catalyzed efficient one-pot pseudo five-component synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ols) in water
  2. ZnO-Nanorods as the Catalyst for the Synthesis of 1,3-Thiazole Derivatives via Multicomponent Reactions
  3. Phospho sulfonic acid as efficient heterogeneous Brønsted acidic catalyst for one-pot synthesis of 14H-dibenzo[a,j ]xanthenes and 1,8-dioxo-octahydro-xanthenes