IUPAC: (1R,3aS,3bS,7S,9aR,9bR,11aR)-1-[(2R)-5,6-dihydroxy-6-methylheptan-2-yl]-7-hydroxy-3a,6,6,9b,11a-pentamethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-10-one
IUPAC: (1R,3aS,3bS,7S,9aR,9bR,11aR)-1-[(2R)-5,6-dihydroxy-6-methylheptan-2-yl]-7-hydroxy-3a,6,6,9b,11a-pentamethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-10-one