(4aS,4bS,8aS)-8,8a-Dimethyl-1-[2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-4,4a,4b,5,6,8a,9,10-octahydro-3H-phenanthren-2-one

Acetic acid (S)-8-acetoxy-1,10a,12a-trimethyl-2-oxo-1,2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-1-yl ester