4746-97-8
1,4-环己二酮单乙二醇缩酮
→
~78%
176251-49-3
8,8-二氟-1,4-二噁螺[4.5]癸烷
~58%
+
142273-44-7
8-fluoro-1,4-dioxaspiro[4.5]dec-7-ene