Affinosides S-I-S-VIII, Cardenolide Glycosides with a Usual Glycosidic Linkage, from Anodendron affine (Anodendron. IV)

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Affinosides S-I-S-VIII were isolated from the caules and leaves of Anodendron affine DRUCE, and identified as glycosides of affinogenin C, D-I, and D-II, each having a single glycosidic linkage with D-digitalose, 6-deoxy-D-gulose, 4, 6-dideoxy-D-gulose, or D-glucose.