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