5,6,7,8-四氢-2-甲基喹啉

2-(4-甲氧基苯基)-1-环己酮

2-丁基环己酮

9-甲基-2,3,4,9-四氢-1H-咔唑-1-酮

(2Z)-2-(trimethylsilyloxymethylidene)cyclohexan-1-one