4-Bromo-2-nitro-5-(trifluoromethoxy)pyridine-3-acetonitrile
3-Bromo-2-nitro-5-(trifluoromethoxy)pyridine-4-acetonitrile
2-Bromo-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Chloro-3-cyano-4-(trifluoromethoxy)pyridine-2-acetic acid
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