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