1-(2-pyridyl)hexan-1,5-dione

2-(4-n-Propylbenzoyl)pyridine

2-(2,6-Difluorobenzoyl)pyridine

2-(3,4-Dichlorobenzoyl)pyridine

2-(3,5-Dimethylbenzoyl)pyridine

2-(4-Chlorobutyryl)oxazole

2-(2-Methylvaleryl)oxazole

2-(3,5,5-Trimethylhexanoyl)oxazole

2-(4-Trifluoromethylbenzoyl)oxazole

2-(4-Bromobenzoyl)oxazole

2-(4-Propoxybenzoyl)oxazole