SMILES: C(C[C@@H](C(=O)[O-])[NH2+][C@H](CCC(=O)[O-])C(=O)[O-])C[NH+]=C(N)N
Description: The molecule is conjugate base of D-nopaline in which the three carboxy groups are anionic and the secondary amino and guanidino groups are cationic; major species at pH 7.3. It is a conjugate base of a D-nopaline.