(3-beta,5-beta)-5,14-Dihydroxy-19-oxo-3-(1-oxopropoxy)card-20(22)-enolide 39006-75-2 5-beta-Card-20(22)-enolide, 19-oxo-3-beta,5,14-trihydroxy-, 3-propionate CARD-20(22)-ENOLIDE, 5,14-DIHYDROXY-19-OXO-3-(1-OXOPROPOXY)-, (3-beta,5-beta)- Strophanthidin propionate Strophanthidin-3-propionate