57061-31-1
4-(benzenesulfinyl)-2H-furan-5-one
+
20500-49-6
Cyclopentanone, 3,3-dimethyl-
→
65688-82-6
4-(4,4-dimethyl-2-oxocyclopentyl)-2(5H)-furanone
65688-83-7
3-(2,2-dimethyl-5-oxocyclopentyl)-2H-furan-5-one