对甲苯基四唑红甲臢

2,3-丁烷二酮 2-(2-苯基腙)

2-乙氧基-4-苯基偶氮苯胺

N'-anilino-N-(4-nitrophenyl)iminobenzenecarboximidamide

N-anilino-2-oxo-2-phenylethanimidoyl cyanide