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