1-(2-pyridyl)heptan-1,6-dione

(4-Cyclohexyl)butyl 2-pyridyl ketone

2-(2-Methoxybenzoyl)pyridine

2-(4-Fluorobenzoyl)pyridine

2-(2-Bromobenzoyl)pyridine

2-(4-Isopropoxybenzoyl)pyridine

2-(4-Cyanobenzoyl)pyridine

2-(4-Heptylbenzoyl)pyridine

2-(2,5-Difluorobenzoyl)pyridine

2-(2,6-Dichlorobenzoyl)pyridine

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