Methyl 6-(aminomethyl)-3-bromo-2-(difluoromethyl)pyridine-4-acetate
Methyl 2-(aminomethyl)-5-bromo-4-(difluoromethyl)pyridine-3-acetate
Methyl 2-(aminomethyl)-5-bromo-3-(difluoromethyl)pyridine-4-acetate
6-Bromo-2-(difluoromethyl)-4-nitropyridine-3-carbonyl chloride