<a href="https://en.wikipedia.org/wiki/Haworth_projection" class="extiw" title="en:Haworth projection">Haworth projection</a> of carbocyclic 2'-<i>ara</i>-fluoro-guanosine (carbocyclic-9-(2'-deoxy-2'-β-fluoroarabinofuranosyl) guanine), a <a href="https://en.wikipedia.org/wiki/carbocyclic_nucleoside" class="extiw" title="en:carbocyclic nucleoside">carbocyclic nucleoside</a> analog of <a href="https://en.wikipedia.org/wiki/guanosine" class="extiw" title="en:guanosine">guanosine</a> with <a href="https://en.wikipedia.org/wiki/in_vitro" class="extiw" title="en:in vitro">in vitro</a> activity against <a href="https://en.wikipedia.org/wiki/Herpes_simplex_virus" class="extiw" title="en:Herpes simplex virus">Herpes simplex virus</a> 1 and 2. <cite style="font-style:normal">Borthwick AD, Butt S, Biggadike K, Exall AM, Roberts SM, Youds PM, Kirk BE, Booth BR, Cameron JM, Cox SW, Marr CL (1988). "Synthesis and enzymatic resolution of carbocyclic 2-<i>ara</i>-fluoro-guanosine: a potent new anti-herpetic agent". <i>Journal of the Chemical Society, Chemical Communications</i> (10): 656–658. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039/C39880000656">10.1039/C39880000656</a>.</cite>
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