4,5-二氯-6-甲基嘧啶

3,6-dimethylpyrimidin-4-one

5-bromo-6-methylpyrimidine-4-carbonitrile

4-氯-5-碘-6-甲基嘧啶

1-(4-chlorophenyl)-2-(6-methylpyrimidin-4-yl)sulfanylethanone