5-Iodo-4-methyl-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-(Bromomethyl)-4-iodo-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-(Chloromethyl)-6-iodo-4-methoxy-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-iodo-6-(trifluoromethoxy)pyridine-5-carboxaldehyde