Term Name:	butanoic acid [(4aR,7R,7aR)-2-hydroxy-2-oxo-6-[6-(1-oxobutylamino)-9-purinyl]-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphorin-7-yl] ester
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Definition:
Ontology:	ChEBI [CHEBI:91551]  ( EBI )