2-(4-Ethylbenzoyl)pyridine

2-(2-Bromobenzoyl)oxazole

2-(4-Nitrobenzoyl)oxazole

2-(4-Propoxybenzoyl)oxazole

2-(4-Butoxybenzoyl)oxazole

2-(4-Hexyloxybenzoyl)oxazole

2-(2,5-Dichlorobenzoyl)oxazole

2-(2,4-Dimethylbenzoyl)oxazole

5-(6-Methoxypyridin-3-yl)-5-oxovaleric acid

Pentyl 2-chloroisonicotinate

n-Butyl 2-chloroisonicotinate