5-Bromo-2-chloro-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-Bromo-3-chloro-6-(trifluoromethoxy)pyridine-2-acetonitrile
4-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-3-acetonitrile
6-Bromo-4-cyano-3-(trifluoromethoxy)pyridine-2-acetic acid
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