Ethyl 5-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-(chloromethyl)-4-fluoro-5-(trifluoromethoxy)pyridine-2-carboxylate
2-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde