3-Hydroxyestra-1,3,5(10)-trien-17-one p-nitrobenzoate 41623-27-2 ESTRA-1,3,5(10)-TRIEN-17-ONE, 3-HYDROXY-, p-NITROBENZOATE Estra-1,3,5(10)-trien-17-one, 3-((4-nitrobenzoyl)oxy)- (9CI) Estrone, p-nitrobenzoate NSC 94683