470-37-1 5.beta.-Bufa-20,22-dienolide, 14,15.beta.-epoxy-3.beta.,16.beta.-dihydroxy-, 16-acetate Bufa-20,22-dienolide, 16-(acetyloxy)-14,15-epoxy-3-hydroxy-, (3.beta.,5.beta.,15.beta.,16.beta.)- CINOBUFAGIN Cino-Bufagin Cinobufagine NSC90325