83-67-0
可可碱
+
79-11-8
氯乙酸
→
5614-56-2
2,3,6,7-四氢-3,7-二甲基-2,6-二氧代-1H-嘌呤-1-乙酸
75449-03-5
(3,7-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-purine-1-yl) acetic acid ethyl ester