Estradiol 17β-acetate is an estrogen and an estrogen ester—specifically, the C17β acetate ester of estradiol—which was never marketed. It is the C17β positional isomer of the better-known and clinically used estradiol ester estradiol acetate (estradiol 3-acetate; Femtrace).
See also List of estrogen esters § Estradiol esters
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