二氯乙酸

5’-O-(叔丁基二甲基甲硅烷基)胸苷

1-[(2R,4S,5R)-4-hydroxy-5-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione

5’-O-三苯甲基胸苷

O5'-(4-methyl-benzoyl)-thymidine