Methyl 4-bromo-2-(difluoromethyl)-6-methylpyridine-3-carboxylate
3-Bromo-2-(difluoromethyl)-4-methoxypyridine-6-carbonyl chloride
Methyl 4-bromo-2-(difluoromethyl)-3-methylpyridine-5-carboxylate
6-Bromo-2-(difluoromethyl)-3-methoxypyridine-4-carbonyl chloride