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  • Title: Antitumor agents, 110. Bryophyllin B, a novel potent cytotoxic bufadienolide from Bryophyllum pinnatum.
    Author: Yamagishi T, Haruna M, Yan XZ, Chang JJ, Lee KH.
    Journal: J Nat Prod; 1989; 52(5):1071-9. PubMed ID: 2607348.
    Abstract:
    Bryophyllin B [1], a potent cytotoxic bufadienolide, has been isolated from Bryophyllum pinnatum and its structure confirmed by the use of 2D-nmr techniques and difference nOe method. Transformation of bryotoxin C [2] to 1 with acid is also discussed.
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