Ethyl 2-cyano-3-nitro-6-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-acetate
Methyl 4-cyano-6-nitro-2-(trifluoromethoxy)pyridine-3-acetate
2-Cyano-4-nitro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
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