IUPAC: (1E,3aS,3bR,7S,9aR,9bS,11aS)-9a,11a-dimethyl-1-[(4R,5R)-4,5,6-trimethylheptan-2-ylidene]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol
IUPAC: (1E,3aS,3bR,7S,9aR,9bS,11aS)-9a,11a-dimethyl-1-[(4R,5R)-4,5,6-trimethylheptan-2-ylidene]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol