SMILES: C[C@H](C(=O)[O-])[NH2+][C@@H](CCC[NH+]=C(N)N)C(=O)[O-]
Description: The molecule is a D-alpha-amino acid zwitterion that is D-octopine in which both carboxy groups are anionic and the secondary amino and guanidine imino functions are protonated. It is a conjugate acid of a D-octopine(1-). It is a tautomer of a D-octopine.