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
2-Bromo-3-(difluoromethyl)-4-methylpyridine-6-sulfonyl chloride