5-chloro-5-methyl-1,3-diazinane-2,4,6-trione

5-methyl-6-phenylsulfanyl-1-(2-trimethylsilylethoxymethyl)pyrimidine-2,4-dione

5-乙基-5-甲基-1H,3H,5H-嘧啶-2,4,6-三酮

2,4-二羟基-6-甲基嘧啶

2-甲基丙二酰胺