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