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