108895-47-2
1-(2-deoxy-3-O-methanesulfonyl-5-O-trityl-β-D-ribopentafuranosyl)-5-ethyluracil
→
~62%
114008-11-6
5-ethyl-3'-iodo-5'-O-trityl-2',3'-dideoxyuridine
114008-12-7
5-ethyl-1-[(2R,4S,5R)-5-(hydroxymethyl)-4-iodooxolan-2-yl]pyrimidine-2,4-dione