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