Fmoc-Ser-Obzl
Fmoc-Glu-Obzl
Fmoc-Asp-Obzl
(2S,3R)-Benzyl 2-(((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxybutanoate
(S)-Benzyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-cyanopropanoate
