3,16alpha-二羟基雌甾-1,3,5(10)-三烯-17-酮3,16-二乙酸酯

Hydroxyestrone diacetate (brand names Colpoginon, Colpormon, Hormobion, Hormocervix) (former developmental code name RD-310), or 16α-hydroxyestrone diacetate, also known as 3,16α-dihydroxyestra-1,3,5(10)-trien-17-one 3,16-diacetate, is a semisynthetic, steroidal estrogen that is marketed in France, Spain, Brazil, and Argentina. It is a derivative of estrone that is hydroxylated and acetylated at the 3 and 16 positions.