2-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-5-methanol