IUPAC:9a-ethynyl-11a-methyl-1-(6-methylheptan-2-yl)-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol
IUPAC:9a-ethynyl-11a-methyl-1-(6-methylheptan-2-yl)-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol