N-{2-[(2,4-Dibromo-6-nitrophenyl)diazenyl]-5-(diethylamino)phenyl}acetamide 、 4-(2'-bromo-4'-nitrophenylazo)-N,N-di(beta-acetoxyethyl)aniline 反应 7.0h,
以Isolation of the product by the method of Example 9 gave 4-(2'-cyano-4'-nitrophenylazo)-N,N-di(β-acetoxyethyl)aniline (Found: C, 57.4; H, 5.1; N, 16.1. C21H21N5O6 requires C, 57.4; H, 4.8; N, 15.95%)的产率得到2-[[4-[双[2-(乙酰氧基)乙基]氨基]苯基]偶氮]-5-硝基苯腈