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