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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

Scheme 2.

Scheme 2

The radiosynthetic pathway for 2′-deoxy-2′-fluoro-5-ethyl-1-β-d-arabinofuranosyluracil 8a and 2′-deoxy-2′-[18F] fluoro-5-ethyl-1-β-d-arabinofuranosyluracil 8b.