3153-36-4
4-氯丁酸乙酯
+
83-67-0
可可碱
→
~80%
83636-88-8
ethyl 4-(3,7-dimethyl-2,6-dioxopurin-1-yl)butanoate
6493-07-8
1-(3-Carboxypropyl)-3,7-dimethylxanthine