Methyl 3-chloro-4-cyano-6-(difluoromethyl)pyridine-2-carboxylate
6-Bromo-3-(bromomethyl)-4-(difluoromethyl)pyridine-2-acetic acid
2-Bromo-4-(bromomethyl)-3-(difluoromethyl)pyridine-5-acetic acid
Methyl 3-chloro-2-cyano-4-(difluoromethyl)pyridine-6-carboxylate