4637-24-5
N,N-二甲基甲酰胺二甲基缩醛
+
583-40-4
8-巯基嘌呤
→
~12%
55286-09-4
7-methyl-8-methylsulfanylpurine
24851-51-2
9-methyl-8-methylsulfanylpurine