{4-[Fmoc-Lys(Boc)amino]phenyl}-hydroxy-acetic acid methyl ester

{2-[2-(2-{2-[4-((S)-2-Acetylamino-3-phenyl-propionylamino)-phenyl]-2-hydroxy-acetylamino}-ethoxy)-ethoxy]-ethyl}-carbamic acid 9H-fluoren-9-ylmethyl ester

[4-(Boc-Phe-amino)-phenyl]-hydroxy-acetic acid methyl ester

[4-((S)-2-Acetylamino-6-tert-butoxycarbonylamino-hexanoylamino)-phenyl]-hydroxy-acetic acid