An Alkaloid with a Novel Skeleton from the Roots ofStephania excentrica

An Alkaloid with a Novel Skeleton from the Roots of<i>Stephania excentrica</i> 2-<i>N</i>-Methylexcentricine, a New Alkaloid from Roots of <i>Stephania excentrica</i> 2-N-Methylexcentricine, a New Alkaloid from Roots of Stephania excentrica Stephaoxocanine, a Novel Dihydroisoquinoline Alkaloid from <i>Stephania cepharantha</i> (+)-3′,4′-dihydrostephasubine, a bisbenzylisoquinoline alkaloid from Stephania hernandifolia Stephadiamine, a new skeletal alkaloid from Stephania japonica: The first example of a C-norhasubanan 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. A Novel Phenanthrene and An Undescribed Alkaloid from the Roots of Stephania tetrandra Alkaloids of Stephania delavayi IV. Isostephodeline