5-Cyano-2-(difluoromethyl)-3-fluoropyridine-4-carbonyl chloride
Ethyl 5-(aminomethyl)-2-chloro-4-(difluoromethyl)pyridine-3-carboxylate
4-Cyano-6-(difluoromethyl)-3-fluoropyridine-2-carbonyl chloride
Ethyl 3-(aminomethyl)-2-chloro-6-(difluoromethyl)pyridine-5-carboxylate