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