IUPAC:5-[(1R,3aS,3bR,5aR,7R,9aS,9bS,11aR)-3a,7-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2H-pyran-2-one
IUPAC:5-[(1R,3aS,3bR,5aR,7R,9aS,9bS,11aR)-3a,7-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2H-pyran-2-one