Methyl 2-cyano-6-(difluoromethyl)-3-fluoropyridine-4-carboxylate
2-Cyano-4-(difluoromethyl)-3-fluoropyridine-5-acetic acid
5-Cyano-3-(difluoromethyl)-2-fluoropyridine-4-carbonyl chloride
6-Cyano-2-(difluoromethyl)-3-fluoropyridine-4-carbonyl chloride