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