14-beta,15-beta-Epoxy-14-anhydro-digoxigenin [German] 3-beta,12-beta-Dihydroxy-14-beta,15-beta-epoxy-5-beta-card-20(22)-enolide 5-beta-Card-20(22)-enolide, 3-beta,12-beta-dihydroxy-14-beta,15-beta-epoxy- FH4975450