The molecule is dianion of N-phosphocreatine arising from deprotonation of the phospho and carboxy groups and protonation of the guanidino group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a N-phosphocreatine.
2-[[amino-(phosphonatoamino)methylidene]-methylazaniumyl]acetate