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. Author manuscript; available in PMC: 2008 Jan 14.
Published in final edited form as: J Am Chem Soc. 2007 Sep 11;129(39):11890–11891. doi: 10.1021/ja073775h

Figure 1.

Figure 1

Formulas of cationic oligomers 1–3, top view and side view of models of their conformation based on crystal structures of lipophilic analogues.13,14 Side chains have been replaced by yellow spheres.