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SMILES: N1C(=O)c2c(C1=O)ccc(c2)C(=O)O Canonical SMILES: O=C1NC(=O)c2c1cc(cc2)C(=O)O InChI: InChI=1S/C9H5NO4/c11-7-5-2-1-4(9(13)14)3-6(5)8(12)10-7/h1-3H,(H,13,14)(H,10,11,12) InChIKey: ARRQNZZBVOIEQQ-UHFFFAOYSA-N
CBID:270348 http://www.chembase.cn/molecule-270348.html