ethyl 5-oxo-2-(pyrimidin-2-yl)-2,5-dihydroisoxazole-4-carboxylate

氰乙酸乙酯

2-氯-4-甲基嘧啶

2,4-Dimethyl-2-pyrimidin-2-yl-pentan-3-one

2-(2-chloropyrimidin-4-yl)-2,4-dimethyl-3-pentanone