4869-46-9
1,3-二甲基尿嘧啶-5-甲醛
+
123-54-6
乙酰丙酮
→
~76%
74442-98-1
5-(2-acetyl-3-oxobut-1-enyl)-1,3-dimethylpyrimidine-2,4-dione
57009-53-7
ethyl 3-acetyl-4-hydroxybenzoate