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