The molecule is an N-acyl-L-alpha-amino acid anion that is the conjugate base of N(2)-succinyl-L-arginine, arising from deprotonation of the carboxy groups and protonation of the amino group; major species at pH 7.3. It is a conjugate base of a N(2)-succinyl-L-arginine.
(2S)-2-(3-carboxylatopropanoylamino)-5-(diaminomethylideneazaniumyl)pentanoate