110-52-1
1,4-二溴丁烷
+
20980-22-7
1-(2-嘧啶基)哌嗪
1075-89-4
3,3-四亚甲基戊二酰亚胺
→
~67%
33386-08-2
丁螺旋酮盐酸盐
1359159-58-2
8-(4,4-dimethoxybutyl)-8-azaspiro[4.5]decane-7,9-dione