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