IUPAC:disodium (4R)-4-[(1R,3aS,3bR,4R,5aS,7R,9aS,9bS,11aR)-7-hydroxy-9a,11a-dimethyl-4-(sulfonatooxy)-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoate
IUPAC:disodium (4R)-4-[(1R,3aS,3bR,4R,5aS,7R,9aS,9bS,11aR)-7-hydroxy-9a,11a-dimethyl-4-(sulfonatooxy)-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoate