Oxypulvic acid lactone

Molecular Formula: C₁₈H₁₀O₅

InChI: InChI=1/C18H10O5/c19-15-13(10-6-2-1-3-7-10)17(20)23-16(15)14-11-8-4-5-9-12(11)22-18(14)21/h1-9,20H/b16-14+

InChIKey: InChIKey=QQCXDZWVKTVVSR-JQIJEIRABD
SMILES: C1=CC=C(C=C1)C2=C(OC(=C3C4=CC=CC=C4OC3=O)C2=O)O

Names:
    BRN 1352451
    Calycin
    Calycine
    Oxypulvic acid lactone
    (3E)-3-(5-hydroxy-3-oxo-4-phenyl-2-furylidene)benzofuran-2-one
    10091-92-6
    2(3H)-Benzofuranone, 3-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene)- (9CI)
    2(3H)-BENZOFURANONE, 3-(3-HYDROXY-5-OXO-4-PHENYL-2(5H)-FURYLIDENE)-
    3-(3-Hydroxy-5-oxo-4-phenyl-2(5H)-furylidene)-2(3H)-benzofuranone
    5-19-06-00444 (Beilstein Handbook Reference)

Registries:
    PubChem CID 3032551
    PubChem ID 167701