2-Chloro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
6-Chloro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
2-Chloro-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Chloro-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid