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N-4-desmethylwyosine (dYt), a derivative of rare tricyclic nucleosides is probably a new member ofY-nucleosides found in tRNA [1]. The structure of dYt has tricyclic ring with rigid conformation and high electrondelocalization. Both the absorption and emi
N-4-desmethylwyosine (dYt), a derivative of rare tricyclic nucleosides is probably a new member of Y-nucleosides found in tRNA [1]. The structure of dYt has tricyclic ring with rigid conformation and high electrondelocalization. Both the absorption and emi