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