SMILES: C[C@H](C(=O)[O-])N[C@@H](CCC[NH+]=C(N)N)C(=O)[O-]
Description: The molecule is an D-alpha-amino acid anion arising from deprotonation of the carboxy groups and protonation of the guanidino group of D-octopine. It is a conjugate base of a D-octopine and a D-octopine dizwitterion.