Methyl 2-(aminomethyl)-5-bromo-3-(difluoromethyl)pyridine-6-carboxylate
Ethyl 3-bromo-5-(difluoromethyl)-6-methoxypyridine-2-acetate
Ethyl 3-bromo-5-(difluoromethyl)-4-methoxypyridine-2-acetate
Methyl 6-(aminomethyl)-4-bromo-2-(difluoromethyl)pyridine-3-carboxylate