Ethyl 5-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-6-acetate
2-(Fluoromethyl)-4-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
4-Hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride