3-Cyano-2-(difluoromethyl)-5-fluoropyridine-4-carboxaldehyde
2-Cyano-3-(difluoromethyl)-6-fluoropyridine-5-carboxaldehyde
Methyl 2-cyano-4-(difluoromethyl)-6-fluoropyridine-3-carboxylate
Ethyl 3-cyano-4-(difluoromethyl)-2-fluoropyridine-6-carboxylate