254441-50-4
→
~5%
59953-84-3
5,6-dihydro-4H-cyclopenta[b]furan
+
83686-94-6
2-ethenylidene-cyclopentanone
66057-04-3
2,2-dimethoxycyclopentan-1-one
1-(2-(trimethylsilyloxy)-1-cyclopenten-1-yl)-ethanone