甲硫醇

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

4-硫基-1H-吡啶并[3,4-d]嘧啶

尿嘧啶核苷

[3,4-diacetyloxy-5-(4-oxo-2H-pyrazolo[3,4-d]pyrimidin-1-yl)oxolan-2-yl]methyl acetate