1-((2R,4S,5R)-4-hydroxy-5-(((6-oxido-5,7-dihydrodibenzo[d,f][1,3,2]diazaphosphepin-6-yl)oxy)methyl)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione

5’-O-三苯甲基胸苷

3'-O-acetyl-5'-O-triphenylmethylthymidine

胸苷酸二钠