IUPAC:methyl (4R)-4-[(1R,3aS,3bS,5aS,7R,9aR,9bS,11aR)-7-(acetyloxy)-9a,11a-dimethyl-5-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoate
IUPAC:methyl (4R)-4-[(1R,3aS,3bS,5aS,7R,9aR,9bS,11aR)-7-(acetyloxy)-9a,11a-dimethyl-5-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoate