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