Methyl 3-bromo-2-(difluoromethyl)-4-nitropyridine-5-carboxylate
2-Bromo-3-(difluoromethyl)-6-methylpyridine-5-sulfonyl chloride
2-Bromo-3-(difluoromethyl)-5-methylpyridine-6-sulfonyl chloride
Methyl 2-bromo-6-(difluoromethyl)-5-nitropyridine-3-carboxylate