5-beta-Card-20(22)-enolide, 19-oxo-3-beta,5,14-trihydroxy-, 3-hexanoate Caproic acid, ester with strophanthidin Card-20(22)-enolide, 5,14-dihydroxy-19-oxo-3-((1-oxohexyl)oxy)-, (3-beta,5-beta)- FH5007000 Strophanthidin-3-n-caproate