126984-32-5
ethyl β-(1-cyclopenten-3-one)propionate
→
920760-26-5
3-(3-oxocyclopenten-1-yl)propanoic acid
192181-83-2
3-(3'-hydroxypropyl)-2-cyclopenten-1-one
86971-90-6
1-oxaspiro[4.4]non-8-en-2-one
69391-83-9
methyl 3-(3-oxocyclopenten-1-yl)propanoate