In situ analysis of [8-13C-7-15N]-double-labelled theophylline by a triple resonance NMR technique

Koya Yamaguchi, Ryosuke Ueki, Hisatsugu Yamada, Yasuhiro Aoyama, Hiroshi Nonaka, Shinsuke Sando
  • Analytical Methods, January 2011, Royal Society of Chemistry
  • DOI: 10.1039/c1ay05100h