organic heterocyclic compound nucleoside 0 116.04734 116.115 a nucleoside wikipedia.en:Nucleoside CHEBI:13661 *[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1* CHEBI:7647 C5H8O3R2 chebi_ontology Nucleoside CHEBI:25611 nucleosides kegg.compound:C00801 An <em>N</em>-glycosyl compound that has both a nucleobase, normally adenine, guanine, xanthine, thymine, cytosine or uracil, and either a ribose or deoxyribose as functional parents. nucleosides CHEBI:33838