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