4-(4-chlorophenyl)-6-phenylpyrimidin-2-amine

4-(4-甲氧基苯基)6-苯基-2-氨基嘧啶

1,2-bis(2-methoxyphenyl)guanidine

1,2-bis(3-methylphenyl)guanidine

1,2-bis(4-nitrophenyl)guanidine