5-Cyano-4-(difluoromethyl)pyridine-2-carboxaldehyde
Ethyl 5-(bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Cyano-2-(difluoromethyl)pyridine-6-carboxaldehyde
Ethyl 4-(bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate