2-乙酰基-4-氰基丁酸乙酯

2-(2-acetyl-5,5-dimethyl-3-oxocyclohexyl)cyclohexane-1,3-dione

丙二酸二乙酯

3-苯胺基-2-环己烯-1-酮

2-Diazo-3-hydroxy-1-cyclohexanone