5334-23-6
4-硫基-1H-吡啶并[3,4-d]嘧啶
+
58-96-8
尿嘧啶核苷
→
~61%
54524-71-9
1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2H-pyrazolo[3,4-d]pyrimidine-4-thione