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

2-Methylproyl 2-pyridyl ketone

2-(3-Methylbenzoyl)pyridine

2-(3-Trifluoromethylbenzoyl)pyridine

2-(4-Iodobenzoyl)pyridine

2-(4-Propoxybenzoyl)pyridine

2-(2,4-Difluorobenzoyl)pyridine

2-(3,5-Dichlorobenzoyl)pyridine

2-(2,6-Dimethylbenzoyl)pyridine

2-Decanoyloxazole

2-(2,2-Dimethylacetyl)oxazole