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