123-75-1
四氢吡咯
+
4746-97-8
1,4-环己二酮单乙二醇缩酮
→
~80%
57440-57-0
1-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)pyrrolidine
14160-65-7
8-氧代-1,4-二噁螺[4.5]癸烷-7-羧酸乙酯