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1-(2-deoxy-3-O-methanesulfonyl-5-O-trityl-β-D-ribopentafuranosyl)-5-ethyluracil
→
105380-82-3
3'-azido-5-ethyl-5'-O-trityl-2',3'-dideoxyuridine
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1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)oxolan-2-yl]-5-ethylpyrimidine-2,4-dione