3-(氨基甲基烯)-2,4-戊烷二酮

1-(2,7-二甲基[1,2,4]三唑并[1,5-a]嘧啶-6-基)乙酮

3-(diethoxyphosphorylmethylidene)pentane-2,4-dione

1-(4-甲基-2-甲基硫代-5-嘧啶基)乙酮

1-(4-methyl-2-phenylpyrimidin-5-yl)ethanone