143307-10-2

L-Aspartic acid,N-[N-[N-[N-[N-[N-[N-[N-[N-(2-aminobenzoyl)-L-alanyl]-L-phenylalanyl]-L-alanyl]-L-phenylalanyl]-L-a-glutamyl]-L-valyl]-L-seryl]-3-nitro-L-phenylalanyl]-