2-(2,4-Difluorobenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

2-(4-Cyanobenzoyl)pyridine

2-(4-Heptylbenzoyl)pyridine

2-(2,5-Difluorobenzoyl)pyridine

2-(2,6-Dichlorobenzoyl)pyridine

2-(3,4,5-Trifluorobenzoyl)pyridine

2-(2,6-Dimethylbenzoyl)pyridine

2-Octanoyloxazole

2-(4-Chlorobutyryl)oxazole

2-(5-Oxohexanoyl)oxazole

2-(Cyclohexylacetyl)oxazole