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