Methyl 5-bromo-3-(difluoromethyl)-4-fluoropyridine-2-carboxylate
Methyl 2-bromo-3-chloro-6-(difluoromethyl)pyridine-5-acetate
Methyl 6-bromo-4-(difluoromethyl)-3-fluoropyridine-2-carboxylate
4-Bromo-5-cyano-2-(difluoromethyl)pyridine-3-carboxaldehyde