7,7-二甲基-5-氧代-5,6,7,8-四氢喹啉-3-羧酸乙酯

7,7-dimethyl-6,8-dihydro-1H-quinoline-2,5-dione

6,6-二甲基-6,7-二氢-1氢-吲哚-4(5氢)-酮

2,2-dibromo-5,5-dimethylcyclohexane-1,3-dione

N-(5,5-dimethyl-3-oxocyclohexen-1-yl)benzamide