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