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