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