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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Nucl Med Biol. 2012 May 8;39(7):1058–1067. doi: 10.1016/j.nucmedbio.2012.03.011

Fig. 1.

Fig. 1

Chemical structures of FAAH inhibitors (1–4) and radiotracers (5–9) including an [18F]-labeled analog of PF-04457845 referred to as [18F]PF-9811.