IUPAC:(1R)-6'-ethoxy-6',9a,11a-trimethyl-2,3,3a,3b,4,5,7,9a,9b,10,11,11a-dodecahydrospiro[cyclopenta[a]phenanthrene-1,2'-[1,5]dioxane]-3',7,10-trione
IUPAC:(1R)-6'-ethoxy-6',9a,11a-trimethyl-2,3,3a,3b,4,5,7,9a,9b,10,11,11a-dodecahydrospiro[cyclopenta[a]phenanthrene-1,2'-[1,5]dioxane]-3',7,10-trione