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