Tibolone5630-53-5100 % similar Norethindrone68-22-446 % similar Ethisterone434-03-743 % similar Lynestrenol52-76-641 % similar Mibolerone3704-09-437 % similar Estr-5(10)-ene-3,17-dione3962-66-135 % similar Norgestrel6533-00-234 % similar Levonorgestrel797-63-734 % similar Danazol17230-88-533 % similar Ethinylestradiol57-63-633 % similar Mestranol72-33-332 % similar Gestrinone16320-04-031 % similar Quinestrol152-43-230 % similar Etonogestrel54048-10-130 % similar Norethisterone acetate51-98-930 % similar