Term Name:	carboxynorspermidine
Synonyms:	(2S)-2-amino-4-[(3-aminopropyl)amino]butanoic acid
Definition:	The non-proteinogenic L-α-amino acid that is norspermidine (1,5,9-triazanonane) carboxylated with S-configuration at the 2-position.
Ontology:	ChEBI [CHEBI:67204]  ( EBI )