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. Author manuscript; available in PMC: 2014 Aug 22.
Published in final edited form as: Mol Imaging Biol. 2007 Dec 22;10(2):82–91. doi: 10.1007/s11307-007-0122-3

Fig. 1.

Fig. 1

Chemical structures of 2′-deoxy-2′-[18F]fluoro-5-iodo-1-β-d-arabinofuranosyluracil ([18F]FIAU), 2′-deoxy-2′-[18F]fluoro-5-methyl-1-β-d-arabinofuranosyluracil ([18F] FMAU), 2′-deoxy-2′-[18F]fluoro-5-ethyl-1-β-d-arabinofurano-syluracil ([18F]FEAU; 8), and 9-[4-[18F]fluoro-3-(hydroxy-methyl)butylguanine ([18F]FHBG).