4-(Chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Iodo-5-methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-(Chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Iodo-3-methyl-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine