B. Shejul, Pravin, Nitin H. Kadam, Amol V. Vyavahare, Gajanan B. Kasawar, and Prashant L. Panpaliya. 2018. “Oxidation of the 5’-Position of Adenosine Analogues”. Asian Journal of Chemistry 20 (6):4685-91. https://asianpubs.org/index.php/ajchem/article/view/19080.