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SMILES: O=C1C(=C(O)C(=O)c2c1cccc2)C1=C(C(=O)c2c(cccc2)C1=O)O Canonical SMILES: OC1=C(C2=C(O)C(=O)c3c(C2=O)cccc3)C(=O)c2c(C1=O)cccc2 InChI: InChI=1S/C20H10O6/c21-15-9-5-1-3-7-11(9)17(23)19(25)13(15)14-16(22)10-6-2-4-8-12(10)18(24)20(14)26/h1-8,25-26H InChIKey: ISTBADQWZSTTOA-UHFFFAOYSA-N
CBID:75247 http://www.chembase.cn/molecule-75247.html