3-Bromo-4-fluoro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Bromo-2-fluoro-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Bromo-2-hydroxy-5-methoxy-6-(trifluoromethoxy)pyridine
6-Bromo-3-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine
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