2-(Difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-5-methanol
2-(Difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-4-methanol
3-Hydroxy-2-methyl-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-(Fluoromethyl)-3-hydroxy-5-methyl-2-(trifluoromethoxy)pyridine