2-(Chloromethyl)-5-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-3-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-4-hydroxy-3-methyl-5-(trifluoromethoxy)pyridine