3Q61:
reference: Synthesis, improved antisense activity and structural rationale for the divergent RNA affinities of 3'-fluoro hexitol nucleic acid (FHNA and Ara-FHNA) modified oligonucleotides., Egli M, Pallan PS, Allerson CR, Prakash TP, Berdeja A, Yu J, Lee S, Watt A, Gaus H, Bhat B, Swayze EE, Seth PP, J Am Chem Soc. 2011 Oct 19;133(41):16642-9. Epub 2011 Sep 22. PMID: 21919455

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