IUPAC:(6R)-6-[(1S)-1-[(1R,3aS,3bS,9aR,9bS,11aS)-9a,11a-dimethyl-9-oxo-1H,2H,3H,3aH,3bH,4H,6H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]ethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydro-2H-pyran-2-one
IUPAC:(6R)-6-[(1S)-1-[(1R,3aS,3bS,9aR,9bS,11aS)-9a,11a-dimethyl-9-oxo-1H,2H,3H,3aH,3bH,4H,6H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]ethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydro-2H-pyran-2-one