Methyl 2-chloro-5-cyano-6-(difluoromethyl)pyridine-3-carboxylate
2-(Bromomethyl)-3-chloro-6-(difluoromethyl)-4-fluoropyridine
2-(Bromomethyl)-3-chloro-5-(difluoromethyl)-4-fluoropyridine
Methyl 6-chloro-3-cyano-4-(difluoromethyl)pyridine-2-carboxylate