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