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