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