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