S4-(2-CYANOETHYL)-5'-O-(DIMETHOXYTRITYL)-4-THIOTHYMIDINE

胸苷

3’-脱氧-3-氟胸苷

5’-(4,4’-二甲氧基三苯基)-3’-脱氧胸苷 2’-(2-氰乙基-N,N-二异丙基)亚磷酰胺

5-O-(4,4-二甲氧基三苯基甲基)-胸苷-3-O-丁二酸