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

2-(4-Fluorobenzoyl)pyridine

2-(4-Phenoxybenzoyl)pyridine

2-(4-Hexylbenzoyl)pyridine

2-(4-Pentyloxybenzoyl)pyridine

2-(2,6-Dimethoxybenzoyl)pyridine

2-(2,4-Dimethylbenzoyl)pyridine

2-Hexanoyloxazole

2-(5-Oxohexanoyl)oxazole

2-(2-Propylvaleryl)oxazole

2-(3-Chlorobenzoyl)oxazole