(S)-5-{[(2R,3S,4R,5R)-5-(4-Benzoylamino-2-oxo-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethoxy]-methoxy-phosphoryloxy}-4-benzyloxycarbonylamino-pentanoic acid benzyl ester

(S)-5-{[(3aR,4R,6R,6aR)-6-(4-Benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethoxy]-methoxy-phosphoryloxy}-4-benzyloxycarbonylamino-pentanoic acid benzyl ester

5'-S-acetyl-N4-benzoyl-2',3'-O-isopropylidene-6-{[(methylsulfonyl)oxy]methyl}-5'-thiocytidine