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