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