Term Name:	spermine(4+)
Synonyms:	N,N'-bis(3-ammoniopropyl)butane-1,4-diaminium, spermine, SPERMINE (FULLY PROTONATED FORM), spermine (fully protonated)
Definition:	An ammonium ion obtained by the protonation of all four amino groups of spermine.
Ontology:	ChEBI [CHEBI:45725]  ( EBI )