9-[(2R,4S,5R)-5-[[(2,3-dimethoxyphenyl)-diphenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]-2-(ethylamino)-3H-purin-6-one

N4-BENZOYL-5'-O-(DIMETHOXYTRITYL)-5-METHYL-2'-O-METHYLCYTIDINE

3’-O-(4,4’-二甲氧基三苯甲基)胸苷

4-氨基-1-{5-O-[二(4-甲氧基苯基)(苯基)甲基]-2-脱氧呋喃戊糖基}-2(1H)-嘧啶酮