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