77-78-1
硫酸二甲酯
→
7468-66-8
8-chloro-3-ethyl-1,7-dimethylpurine-2,6-dione
74-96-4
溴乙烷
+
5472-54-8
8-chloro-1,7-dimethyl-3H-purine-2,6-dione
4921-49-7
茶苯海明相关物质E