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