5-(4-aminophenyl)-6-ethylpyrimidine-2,4-diamine

2-(4-硝基苯基)乙酰氯

2-[4-(methylamino)phenyl]acetic acid

5-(4-nitrophenyl)-6-propan-2-ylpyrimidine-2,4-diamine

5-(4-aminophenyl)-6-(2-methylpropyl)pyrimidine-2,4-diamine