144396-11-2

L-Proline,1-[N-[N-[N-[N-[O-phosphono-N-[O-phosphono-N-[O-phosphono-N-[N-(O-phosphono-L-seryl)-L-isoleucyl]-L-seryl]-L-seryl]-L-seryl]-L-a-glutamyl]-L-a-glutamyl]-L-isoleucyl]-L-valyl]-