3OZ3:
reference: An exocyclic methylene group acts as a bioisostere of the 2'-oxygen atom in LNA., Seth PP, Allerson CR, Berdeja A, Siwkowski A, Pallan PS, Gaus H, Prakash TP, Watt AT, Egli M, Swayze EE, J Am Chem Soc. 2010 Oct 27;132(42):14942-50. PMID: 20886816

This OCA Structure page
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