5436-21-5
4,4-二甲氧基-2-丁酮
+
827-41-8
3-苯基-1H-吡唑-5-胺
→
144205-23-2
5-methyl-2-phenylpyrazolo[1,5-a]pyrimidine
71509-27-8
7-methyl-2-phenylpyrazolo[1,5-a]pyrimidine