(3-beta,5-beta,12-beta,15-beta)-3,12-Dihydroxy-14,15-epoxybufa-20,22-dienolide 12-beta-Hydroxyresibufogenin 2042-58-2 BUFA-20,22-DIENOLIDE, 3,12-DIHYDROXY-14,15-EPOXY-, (3-beta,5-beta,12-beta,15-bet Bufa-20,22-dienolide, 3,12-dihydroxy-14,15-epoxy-, (3-beta,5-beta,12-beta,15-beta)-