SMILES: C(COP(=O)([O-])OC[C@@H](C(=O)[O-])[NH3+])[NH+]=C(N)N
Description: The molecule is a zwitterionic form of L-lombricine where the carboxy and phosphate groups are anionic and the amino and guanidino groups are cationic; major species at pH 7.3. It is a tautomer of a L-lombricine.