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