Z-Lys(εBoc)-OtBu
Z-Lys(Boc)-OH
N,N-dimethylformamide di-tert-butyl acetal
Z-Asp(OBut)-Lys(Boc)-OBut
(S)-6-tert-Butoxycarbonylamino-2-{2-[2-((S)-1-tert-butoxycarbonyl-5-tert-butoxycarbonylamino-pentylcarbamoyl)-phenyldisulfanyl]-benzoylamino}-hexanoic acid tert-butyl ester
2-[2-benzyloxycarbonylamino-3-(1H-indol-3-yl)-propionylamino]-6-tert-butoxycarbonylamino-hexanoic acid tert-butyl ester
Fmoc-Phe-Lys(Boc)-OtBu
6-tert-butoxycarbonylamino-2-(4-vinyl-benzoylamino)-hexanoic acid tert-butyl ester