15474-81-4
→
~80%
19550-72-2
CIS-3,4-DIMETHYLCYCLOPENTANONE
23033-96-7
2-Cyclopenten-1-one, 4-methyl-
+
19550-73-3
3,4-二甲基环戊烷酮
30434-64-1
3,4-二甲基-2-环戊酮