N-(tert-butoxycarbonyl)glycine 3-[N-(9-fluorenylmethoxycarbonyl)propylamino]propylamide

{(E)-(1S,6S)-6-Benzyloxycarbonylamino-1,6-bis-[({3-[(9H-fluoren-9-ylmethoxycarbonyl)-propyl-amino]-propylcarbamoyl}-methyl)-carbamoyl]-hex-3-enyl}-carbamic acid benzyl ester

{(1S,6S)-6-Benzyloxycarbonylamino-1,6-bis-[({3-[(9H-fluoren-9-ylmethoxycarbonyl)-propyl-amino]-propylcarbamoyl}-methyl)-carbamoyl]-hexyl}-carbamic acid benzyl ester