(biochemistry) Any salt or ester of adenylosuccinic acid; an intermediate in the interconversion of the purine nucleotides IMP (inosine monophosphate) and AMP (adenosine monophosphate).

(organic chemistry) Relating to adenylosuccinic acid or its derivatives

(organic chemistry) The adenyl derivative of succinic acid 2-[[9-[3,4-dihydroxy-5-(phosphonooxymethyl)oxolan-2-yl]purin-6-yl]amino]butanedioic acid that plays a part in nucleotide metabolism.