1-[2-(乙酰基氧基)乙基]-2,4(1H,3H)-嘧啶二酮

1-(4-chlorophenyl)pyrimidine-2,4-dione

2,4-二(三甲硅氧基)嘧啶

2,4-二溴嘧啶

(2,4-dioxo-1H-pyrimidin-5-yl) acetate