cyclo(CH2-CO-gamma-carboxylglutamyl-leucyl-(3'-aminotyrosyl)-Ac6c-asparaginyl-(5-aminovalyl)-cysteinyl(O))-amide
cyclo(ch2-co-gamma-carboxylglutamyl-leucyl-(3'-aminotyrosyl)-ac6c-asparaginyl-(5-aminovalyl)-cysteinyl(o))-amide