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