3-(Chloromethyl)-6-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
Ethyl 3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine-2-acetate
3-Hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Hydroxy-2-iodo-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride