3-Bromo-2-(bromomethyl)-5-cyano-4-(trifluoromethoxy)pyridine
5-Bromo-4-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
3-Bromo-4-(bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine
3-Bromo-2-(bromomethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
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