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