2-Chloro-5-iodo-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Chloro-2-(chloromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine
2-Chloro-4-iodo-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Chloro-5-(chloromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine