2-氨基-1,7-二氢-7-beta-D-呋喃核糖基-4H-吡咯并[2,3-d]嘧啶-4-酮

2-Methylthio-7-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)-4H-pyrrolo[2,3-d]pyrimidin-4-on

5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl chloride

7-((2R,3R,4R,5R)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)tetrahydrofuran-2-yl)-3-(isopropoxymethyl)-2-(methylthio)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

7-(beta-D-来苏呋喃糖基)-4-甲氧基-7H-吡咯并[2,3-d]嘧啶-2-胺

4-氯-7-{5-O-[二甲基(2-甲基-2-丙基)硅烷基]-2,3-O-异亚丙基-beta-D-来苏呋喃糖基}-7H-吡咯并[2,3-d]嘧啶-2-胺

2-(Acetylamino)-3,7-dihydro-3-(isopropoxymethyl)-7-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)-4H-pyrrolo<2,3-d>pyrimidin-4-on

2-amino-4-chloro-7-(β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine

2-氨基-4-氯吡咯并[2,3-D]嘧啶