14846-62-9 4-(Hydroxy(oxido)amino)-3-methoxyestra-1,3,5(10)-trien-17-one 4-Nitroestrone 3-methyl ether AIDS-129038 AIDS129038 NSC321803 {Estra-1,3,5[10]-trien-17-one,} 3-methoxy-4-nitro-