Alkaloidal Constituents of the Tubers of Stephania cepharantha Cultivated in Japan: Structure of 3,4-Dehydrocycleanine, a New Bisbenzylisoquinoline Alkaloid.

Alkaloidal Constituents of the Tubers of Stephania cepharantha Cultivated in Japan: Structure of 3,4-Dehydrocycleanine, a New Bisbenzylisoquinoline Alkaloid. Alkaloidal Constituents of the Tubers of Stephania cepharantha Cultivated in Japan: Structure of 3,4-Dehydrocycleanine, a New Bisbenzylisoquinoline Alkaloid. Two New Morphinane Alkaloids from Stephania cepharantha Hayata(Menispermaceae). Two New Morphinane Alkaloids from Stephania cepharantha Hayata(Menispermaceae). Alkaloidal Constituents of the Leaves of Stephania cepharantha Cultivated in Japan: Structure of Cephasugine, a New Morphinane Alkaloid. New Morphinane and Hasubanane Alkaloids from Stephania cepharantha (+)-3′,4′-dihydrostephasubine, a bisbenzylisoquinoline alkaloid from Stephania hernandifolia The Alkaloids of Stephania cepharantha HAYATA cultivated in Japan (ii) Quaternary Isoquinoline Alkaloids from Stephania cepharantha. Quaternary Isoquinoline Alkaloids from Stephania cepharantha.