5-(1,3-Dioxolan-2-yl)-2-(4-propylbenzoyl)thiophene

2-(4-tert-Butylbenzoyl)pyridine

2-(4-Ethylbenzoyl)pyridine

2-(4-Hexyloxybenzoyl)pyridine

2-(2,3-Difluorobenzoyl)pyridine

2-(3,5-Dichlorobenzoyl)pyridine

2-(2,5-Dimethylbenzoyl)pyridine

2-(3,5-Dimethylbenzoyl)pyridine

2-Hexanoyloxazole

2-Cyclohexanoyloxazole

2-(5-Cyclohexylvaleryl)oxazole