1-(2-羟基-6-甲氧基苯基)乙基-1-酮

1,5,6,7-四氢-1,3-二甲基-4H-吲唑-4-酮

1-苯基-3-甲基-6,7-二氢-1氢-吲哚-4(5氢)-酮

2-(1-anilinoethylidene)cyclohexane-1,3-dione