8-氨基-3-beta-D-呋喃核糖基咪唑并[4,5-g]喹唑啉

[3,4-diacetyloxy-5-(2-oxopyrimidin-1-yl)oxolan-2-yl]methyl acetate

2-(hydroxymethyl)-5-(6-piperidin-1-ylpurin-9-yl)oxolane-3,4-diol

2',3',5'-三-O-乙酰基-5-氟胞苷