5DEK:
reference: Structural Basis of Duplex Thermodynamic Stability and Enhanced Nuclease Resistance of 5'-C-Methyl Pyrimidine-Modified Oligonucleotides., Kel In AV, Zlatev I, Harp J, Jayaraman M, Bisbe A, O Shea J, Taneja N, Manoharan RM, Khan S, Charisse K, Maier MA, Egli M, Rajeev KG, Manoharan M, J Org Chem. 2016 Mar 18;81(6):2261-79. doi: 10.1021/acs.joc.5b02375. Epub 2016, Mar 4. PMID: 26940174

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