Nitrogen-containing heterocyclic compounds are some of the most significant that are produced artificially or naturally. These heterocyclic rings are virtually always present in biological systems, from the smallest eukaryotes to... Click to show full abstract
Nitrogen-containing heterocyclic compounds are some of the most significant that are produced artificially or naturally. These heterocyclic rings are virtually always present in biological systems, from the smallest eukaryotes to...
               
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