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