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estradiol valerate is an approved drug (FDA (1954))
Compound class: Synthetic organic
Comment: Estradiol valerate is a synthetic ester of the endogenous estrogen, 17β-estradiol. This ester is absorbed more slowly and has a longer duration of action than the native hormone. Estradiol valerate is cleaved in vivo by plasma and liver esterases to form 17β-estradiol and valeric acid.