64-17-5
乙醇
+
18838-41-0
2,2,4,5-四溴环戊-4-烯-1,3-二酮
→
41498-12-8
4,5-dibromocyclopent-4-ene-1,3-dione
3229-28-5
4,5-dichlorocyclopent-4-ene-1,3-dione
41498-13-9
4,5-diiodo-4-cyclopentene-1,3-dione