6-(Bromomethyl)-3-(difluoromethyl)-2-methylpyridine-4-acetic acid
6-(Bromomethyl)-3-(difluoromethyl)-4-methylpyridine-2-acetic acid
2-(Bromomethyl)-5-(difluoromethyl)-4-methylpyridine-3-acetic acid
2-(Bromomethyl)-5-(difluoromethyl)-3-methylpyridine-6-acetic acid