{4-[Fmoc-Glu(OBut-t)amino]phenyl}-hydroxy-acetic acid methyl ester

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

(S)-4-Acetylamino-4-{4-[(2-{2-[2-(9H-fluoren-9-ylmethoxycarbonylamino)-ethoxy]-ethoxy}-ethylcarbamoyl)-fluoro-methyl]-phenylcarbamoyl}-butyric acid tert-butyl ester

Methyl (S)-2-hydroxy-2-(4-nitrophenyl)acetate

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