N4-苯甲酰-3',5'-O-(1,1,3,3-四异丙基-1,3-二硅氧烷二基)胞啶

4-N-benzoyl-2'-O-<1-(2-fluorophenyl)-4-methoxypiperidin-4-yl>cytidine

4-N-Benzoyl-2'-O-[1-(4-chlorophenyl)-4-ethoxypiperidin-4-yl]cytidine