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