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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Nucl Med Biol. 2011 Aug 9;38(8):1183–1192. doi: 10.1016/j.nucmedbio.2011.05.005

Figure-1.

Figure-1

Chemical Structures of α4β2 radioligands: (1). 2-F-A85380 ; (2). Nifene; (3). Nifrolidine; (4). Nifzetidine (this work).