N-[2-Oxo-1-((2R,3R,3aR,9aR)-5,5,7,7-tetraisopropyl-3-methoxy-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-1,2-dihydro-pyrimidin-4-yl]-acetamide

O2,2'-环胞苷单乙酸酯

乙酸酐

2'-甲氧基胞苷

N-乙酰基-3',5'-O-[1,1,3,3-四(异丙基)-1,3-二硅氧烷二基]胞苷