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