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