{(S)-5-((S)-1-Azidocarbonyl-ethylcarbamoyl)-5-[(S)-3-carbamoyl-2-(4-methoxy-benzyloxycarbonylamino)-propionylamino]-pentyl}-carbamic acid benzyl ester

Z(OMe)-Asn-Gln-Glu(OBzl)-NH2

Z(OMe)-Asn-Val-Ala-OMe

Z(OMe)-Asn-Gln-Met(O)-OMe

Z(OMe)-Asn-Leu-Thr-Lys(Z)-OH