.delta.(20,22)-2,14,16,21-(Tetrahydroxy)norcholenic acid lactone .delta.20,(22)-2,14,16,21-(Tetrahydroxy)norcholenic acid lactone 16.beta.-Hydroxydigitoxigenin 16.beta.-Hydroxydisitoxigenin 5.beta.-Card-20(22)-enolide, 3.beta.,14,16.beta.-trihydroxy- 545-26-6 Card-20(22)-enolide, 3,14,16-trihydroxy-, (3.beta.,5.beta.,16.beta.)- GITOXIGENIN NSC407807