title: STUDIES ON MORPHINE ALKALOIDS. I. NNUCLEAR MAGNETIC RESONANCE SPECTRAL STUDIES ON MORPHINE ALKALOIDS. I.
mesh_terms: D000470:Alkaloids; D002626:Chemistry, Pharmaceutical; D003061:Codeine; D008279:Magnetic Resonance Imaging; D009682:Magnetic Resonance Spectroscopy; D009020:Morphine; D012106:Research; D013057:Spectrum Analysis; D013797:Thebaine
chemical_list: D000470:Alkaloids; D013797:Thebaine; D009020:Morphine; D003061:Codeine
keywords: CHEMISTRY, PHARMACEUTICAL; CODEINE; EXPERIMENTAL LAB STUDY; MORPHINE; SPECTRUM ANALYSIS; THEBAINE