p. 2597 - 2600
(2007/10/03)3-(trityl-amino)-N-[4-(trityl-amino)-butyl]-propionamide
hexadecanedioic acid mono-(2-oxo-2-phenyl-ethyl) ester
Nα,Nω-ditritylspermidine
15-{[4-(trityl-amino)-butyl]-[3-(trityl-amino)-propyl]-carbamoyl}-pentadecanoic acid 2-oxo-2-phenyl-ethyl ester
trityl chloride