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