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