Ibuka, T Studies on the alkaloids of menispermaceous plants. CCXXXIX. Synthesis of hasubanan derivative from sinomenine. [electronic resource] - Chemical & pharmaceutical bulletin Dec 1967 - 1944-7 p. digital Publication Type: Journal Article ISSN: 0009-2363 Standard No.: 10.1248/cpb.15.1944 doi Subjects--Topical Terms: Alkaloids--chemical synthesisPlant Extracts--chemical synthesisPlantsSpectrum Analysis