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๐ SIMILAR VOLUMES
## Abstract Syntheses of 5โ(2โ[^18^F]fluoroethyl)โ (**1**), 5โ(2โ[^80^Br]bromoethyl)โ (**2**), unโdeprotected (__E__)โ5โ(2โ[^18^F]fluorovinyl)โ (**3**) and (__E__)โ5โ(2โ[^80^Br]bromovinyl)โ2โฒโdeoxyuridines (**4**) as the tracers for monitoring cancer gene therapy with positron emission tomography w
## Abstract FTY720 (fingolimod, Gilenyaยฎ) is a sphingosine 1โphosphate (S1P) receptor modulator that shows significant therapeutic efficacy after oral administration to patients of multiple sclerosis. Because FTY720 does not contain any atom whose PET or SPECT radioisotope would have a halfโlife co
The development of rapid radiolabeling techniques under mild reaction conditions involving the shortlived positron emitter fluorine-18 remains a special challenge in organic PET chemistry. This work describes a novel and facile application of the traceless Staudinger ligation as a mild and versatile