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