1-((2R,4S,5S)-4-hydroxy-5-(iodomethyl)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione

5’-O-三苯甲基胸苷

3′,5′-di-O-trityl-thymidine

胸苷溴代醇

2-乙基-2-异硫脲