4-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Fluoro-5-iodo-3-(trifluoromethoxy)pyridine-4-sulfonamide