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