(17β)-17-[[(Cyclohexylmethoxy)carbonyl]oxy]estra-4,9,11-trien-3-one23454-33-332 % similar Norgestrel6533-00-231 % similar Levonorgestrel797-63-731 % similar Nomegestrol58691-88-631 % similar Methyltestosterone58-18-431 % similar Ethylestrenol965-90-231 % similar (17β)-17-[(1-Oxoheptyl)oxy]estra-4,9,11-trien-3-one1629618-98-930 % similar Ethisterone434-03-730 % similar