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