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

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

[4-({[4-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-butyl]-[3-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-propyl]-carbamoyloxy}-methyl)-phenoxy]-acetic acid allyl ester

N8,N8-dibenzyl-N1-tritylspermidine

N,N-dibenzyl-4-(3-tritylamino)propanamidobutanamide