2-乙酰基-4-戊酮酸乙酯

邻甲氧基-N-乙酰乙酰苯胺

N-(1-hydroxy-2-methylpropan-2-yl)-3-oxobutanamide

3-甲基-2-丁烯-1-基 3-氧代丁酸酯

methyl 4-(4-chlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (en)5-Pyrimidinecarboxylic acid, 4-(4-chlorophenyl)-1,2,3,4-tetrahydro-6-methyl-2-oxo-, methyl ester (en)