1-Ethylpropyl 2-pyridyl ketone

2-(3-Cyanobenzoyl)pyridine

2-(4-n-Butylbenzoyl)pyridine

2-(2,3-Difluorobenzoyl)pyridine

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

2-(3,4-Dimethylbenzoyl)pyridine

2-Cyclopentanoyloxazole

2-(3-Ethylhexanoyl)oxazole

2-(3-Methoxybenzoyl)oxazole

2-(2-Fluorobenzoyl)oxazole

2-(3-Phenoxybenzoyl)oxazole