3-Cyano-5-iodo-2-(trifluoromethoxy)pyridine-6-acetonitrile
4-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-5-acetonitrile
2-Fluoro-6-nitro-5-(trifluoromethoxy)pyridine-3-methanol
5-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-acetonitrile
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