CAS: 630-88-6 Molecular Formula: C20H10Cl2O3 Molecular Weight (g/mol): 369.20 MDL Number: MFCD00037841 InChI Key: LNBKJWCRFAZVLK-UHFFFAOYSA-N PubChem CID: 99508 IUPAC Name: 3',6'-dichloro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one SMILES: ClC1=CC=C2C(OC3=CC(Cl)=CC=C3C22OC(=O)C3=CC=CC=C23)=C1