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