3-Cyano-5-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine
3-Cyano-2-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine
Methyl 5-cyano-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
6-Cyano-2-hydroxy-4-nitro-3-(trifluoromethoxy)pyridine
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