Bryophyllin-A, a novel bufadienolide 1, 3, 5-orthoacetate with potent cytotoxicity, and the known bersaldegenin-3-acetate have been isolated from (Bryophyllum)___- (pinnatum)___- and their structures have been established from spectral data and single-crystal X-ray analyses.
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Yamagashi et al. (1988) studied this question.
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