4,5-二氯嘧啶

1,3-dimethylpyrimidin-1-ium-4-one,iodide

4,6'-Dimethoxy-[2,4']bipyrimidinyl

4-methoxy-2-(4-methoxypyrimidin-2-yl)pyrimidine

5-溴嘧啶-4-酮