66057-04-3
2,2-dimethoxycyclopentan-1-one
+
3607-17-8
(3-溴丙基)三苯基溴化磷
→
89237-69-4
2-cyclopropylidene-1,1-dimethoxycyclopentane
89237-71-8
2-cyclopropylidenecyclopentan-1-one