Fulvestrant129453-61-8100 % similar Estradiol50-28-247 % similar 17α-Estradiol57-91-047 % similar Estradiol hemihydrate35380-71-345 % similar Estradiol cypionate313-06-439 % similar Estradiol enanthate4956-37-037 % similar Estradiol valerate979-32-836 % similar Estra-1,3,5(10)-triene-3,17β-diol 17-acetate1743-60-835 % similar Estriol50-27-135 % similar Estradiol benzoate50-50-034 % similar 2-Methoxyestradiol362-07-233 % similar Estramustine2998-57-432 % similar Estrone53-16-730 % similar