58-55-9
茶碱
+
590-17-0
溴乙腈
→
~85%
39908-33-3
2-(1,3-dimethyl-2,6-dioxopurin-7-yl)acetonitrile
107-14-2
氯乙腈
624-75-9
碘乙腈
519-32-4
1,3,9-四甲基黄嘌呤
126480-54-4
(1Z)-N'-[2-(3,4-二甲氧苯基)乙基]-2-(1,3-二甲基-2,6-二羰基-1,2,3,6-四氢-7H-嘌呤-7-基)乙脒盐酸