. "Other preferable derivatives include the GSSG???Pt material derivatives in the form of its sodium, lithium, potassium, calcium, zinc, molybdenum, vanadium and other salts, as well as the GSSG???Pt derivatives obtained through covalent binding to phenylalanine, or to methionine and some other amino acids including D and L forms of the amino acids herein; or to cystamine, lipoic acid, or to inosine." . . . .