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