IUPAC:(1S,3aS,3bR,4R,9aR,9bS,10S,11aS)-4,10,11a-trimethyl-7-oxo-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl undecanoate
IUPAC:(1S,3aS,3bR,4R,9aR,9bS,10S,11aS)-4,10,11a-trimethyl-7-oxo-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl undecanoate