Assertion: contraceptive's estrogen | /r/HasProperty | estradiol benzoate butyrate
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Source sentences:
text: Estrogens that are used include estradiol valerate, estradiol cypionate, estradiol enantate, estradiol benzoate butyrate, and estradiol, while progestins that are used include norethisterone enantate, medroxyprogesterone acetate, algestone acetophenide (dihydroxyprogesterone acetophenide), hydroxyprogesterone caproate, and megestrol acetate.