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. Author manuscript; available in PMC: 2012 Sep 10.
Published in final edited form as: Bioorg Med Chem Lett. 2008 Sep 26;18(21):5753–5757. doi: 10.1016/j.bmcl.2008.09.084

Figure 1.

Figure 1

Structures of three generations of azaaromatic quaternary ammoniun salts acting as nAChR antagonists at subtypes mediating nicotine-evoked DA release.