| 摘要 |
Antiviral and antitumor compounds are disclosed of general formula: <IMAGE> wherein Z is H, OH or NH2, Y is CH or N, the bond indicated by C1'--C2' is absent or, in combination with the C1'--C2' bond is the unit CH=CH, and X is selected from the group consisting of H, N(R2), SR, OR or halogen, wherein R is H, lower (C1-C4)alkyl, aryl or mixtures thereof, and the pharmaceutically acceptable salts thereof. |
