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