7033-39-8
5-溴-1,3-二甲基尿嘧啶
+
21035-54-1
(E)-but-2-en-1-amine
→
~61%
105556-03-4
5-(but-2-enylamino)-1,3-dimethylpyrimidine-2,4-dione
16953-81-4
1,3,6-trimethylpyrido[3,2-d]pyrimidine-2,4-dione