6-[6-[6-(phenylmethoxycarbonylamino)hexanoylamino]hexanoylamino]hexanoic acid

[4]6-benzyloxycarbonylamino-lin-tri[1=>6]hexanoylamino-hexanoic acid methyl ester

27-benzyloxycarbonylamino-8,15,22-trioxo-7,14,21-triaza-heptacosanoic acid hydrazide