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