Ethinylestradiol57-63-6100 % similar Mestranol72-33-374 % similar Quinestrol152-43-270 % similar Estradiol50-28-253 % similar Alpha-Estradiol57-91-053 % similar Estra-1,3,5(10),16-tetraen-3-ol1150-90-952 % similar Estrone53-16-752 % similar Estradiol hemihydrate35380-71-351 % similar Estriol50-27-151 % similar Nilestriol39791-20-348 % similar Estradiol 17-acetate1743-60-846 % similar Estradiol cypionate313-06-443 % similar Estradiol valerate979-32-843 % similar Estradiol enanthate4956-37-042 % similar Norethindrone68-22-441 % similar Ethisterone434-03-741 % similar Lynestrenol52-76-640 % similar Danazol17230-88-540 % similar (+)-Estrone 3-methyl ether1624-62-035 % similar 2-Methoxyestradiol362-07-233 % similar