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