Methyl 2-bromo-6-(difluoromethyl)-4-nitropyridine-3-carboxylate
3-Bromo-6-(difluoromethyl)-2-methylpyridine-4-carbonyl chloride
Methyl 2-bromo-6-(difluoromethyl)-3-nitropyridine-4-carboxylate
3-Bromo-6-(difluoromethyl)-4-methylpyridine-2-carbonyl chloride