4-[3-(Trityl-amino)-propionylamino]-butyric acid

(4-Dibenzylamino-butyl)-[3-(trityl-amino)-propyl]-carbamic acid tert-butyl ester

(E)-3-(3,4-Bis-benzyloxy-phenyl)-acryloyl chloride

N-(3-Amino-propyl)-N',N'-dibenzyl-butane-1,4-diamine

Trt-β-Ala-γ-Aba-OSu