Methyl 6-bromo-4-(difluoromethyl)-2-fluoropyridine-3-carboxylate
2-Bromo-6-cyano-3-(difluoromethyl)pyridine-4-carbonyl chloride
Methyl 2-bromo-4-(difluoromethyl)-3-fluoropyridine-6-carboxylate
Methyl 2-bromo-3-(difluoromethyl)-6-fluoropyridine-5-carboxylate