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. Author manuscript; available in PMC: 2012 Sep 10.
Published in final edited form as: Bioorg Med Chem Lett. 2008 Aug 30;18(20):5622–5625. doi: 10.1016/j.bmcl.2008.08.099

Figure 1.

Figure 1

Structure of some mono-, bis- and tris-quaternary ammonium compounds which act as potent nAChR antagonists.