2-氨基-6-氯-4-羟基嘧啶

5-烯丙基-4,6-二氯嘧啶

4-氯-6-(1H-1,2,4-噻唑-1-基)嘧啶

4,6-bis([1,2,4]triazol-1-yl)-pyrimidine

6-Chloro-N-(3-methylphenyl)-4-pyrimidinamine