3-beta,14-Dihydroxy-5-beta-card-20(22)-enolide 3-ester with L-2-amino-4-methylbutyric acid 5-beta-Card-20(22)-enolide, 3-beta,14-dihydroxy-, 3-ester with 2-amino-4-methylbutyric acid, L- Digitoxigenin-3-beta-(3-isopropyl-L-alanyl) ester FH4975600