(三苯甲氧基甲基)苯

3’-氨基-2’,3’-二脱氧尿苷

3’-氨基-2’,3’-二脱氧胞苷

1-[(2R,4S,5R)-4-hydroxy-5-(trityloxymethyl)oxolan-2-yl]-5-iodopyrimidine-2,4-dione

1-[4-azido-5-(trityloxymethyl)oxolan-2-yl]pyrimidine-2,4-dione