Ethyl 3-(chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-carboxylate
4-Cyano-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-Bromo-5-mercaptonicotinonitrile
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