83-67-0
可可碱
+
100-44-7
苄基氯
→
~80%
55247-90-0
1-benzyl-3,7-dimethylpurine-2,6-dione
64995-64-8
3-methyl-5-(methylamino)imidazole-4-carboxamide
100-39-0
溴化苄