IUPAC:4-[(1R,3aS,3bR,5aR,7S,9aS,9bS,11aR)-3a-hydroxy-7-{[(2R,5R,6S)-5-hydroxy-6-methyloxan-2-yl]oxy}-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2,5-dihydrofuran-2-one
IUPAC:4-[(1R,3aS,3bR,5aR,7S,9aS,9bS,11aR)-3a-hydroxy-7-{[(2R,5R,6S)-5-hydroxy-6-methyloxan-2-yl]oxy}-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2,5-dihydrofuran-2-one