4-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-5-methanol
6-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetonitrile
5-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-methanol
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