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