5-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 3-cyano-4-iodo-6-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-cyano-4-iodo-2-(trifluoromethoxy)pyridine-6-acetate
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