2-Fluoro-5-iodo-3-(trifluoromethoxy)pyridine-4-sulfonamide
3-(Chloromethyl)-5-cyano-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Fluoro-4-iodo-3-(trifluoromethoxy)pyridine-2-sulfonamide
5-(Chloromethyl)-4-cyano-3-(trifluoromethoxy)pyridine-2-carboxaldehyde