3-Bromo-2-(chloromethyl)-5-(difluoromethyl)pyridine-4-acetic acid
3-(Bromomethyl)-5-chloro-2-(difluoromethyl)-6-methoxypyridine
2-(Bromomethyl)-4-chloro-3-(difluoromethyl)-6-methoxypyridine
2-(Bromomethyl)-3-chloro-4-(difluoromethyl)-6-methoxypyridine