6-Chloro-2-cyano-4-(difluoromethyl)pyridine-3-carboxaldehyde
Ethyl 3-chloro-5-cyano-2-(difluoromethyl)pyridine-6-carboxylate
3-(Bromomethyl)-5-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-(Difluoromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine