Methyl 4-(difluoromethyl)-6-methyl-2-(trifluoromethyl)pyridine-3-carboxylate
3-(Fluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 5-chloro-2-(2,3-dichlorophenyl)isonicotinate
6-Chloro-2-(pyridin-4-yl)pyridine-3-acetonitrile