O=C1CCC(C(=O)O)O1
Name: 5-oxotetrahydrofuran-2-carboxylic acid
SMILES: O=C1CCC(C(=O)O)O1
Molecular formula: C5H6O4
Molecular weight: 130.03
Fetching from PubChem (queue #1)
Involved in 17 reactions