4-Cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-methanol
4-Cyano-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-methanol
4-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-methanol
3-Cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-methanol