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