D-(+)-核糖酸-gamma-内酯

3,5-二-O-(叔丁基二甲基硅烷)-2-脱氧-D-核糖酸-1,4-内酯

1'-C-carbamoyl-O2,2'-cyclouridine

1-(3,5-di-O-benzoyl-1-C-carbamoyl-β-D-arabino-pentofuranosyl)uracil

CNdU