IUPAC:(2Z,6R)-6-[(1R,3aR,5aR,9aS,11aR)-3a,6,6,9a,11a-pentamethyl-7-oxo-1H,2H,3H,3aH,5H,5aH,6H,7H,8H,9H,9aH,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2-methylhept-2-enoic acid
IUPAC:(2Z,6R)-6-[(1R,3aR,5aR,9aS,11aR)-3a,6,6,9a,11a-pentamethyl-7-oxo-1H,2H,3H,3aH,5H,5aH,6H,7H,8H,9H,9aH,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2-methylhept-2-enoic acid