2-Fluoro-3-hydroxy-6-(trifluoromethoxy)pyridine
4,5-Dibromo-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Fluoro-5-iodo-2-(trifluoromethoxy)pyridine
4,5-Dibromo-3-hydroxy-2-(trifluoromethoxy)pyridine
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