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SMILES: c1(=O)[nH]c(c[nH]1)C=O Canonical SMILES: O=Cc1c[nH]c(=O)[nH]1 InChI: InChI=1S/C4H4N2O2/c7-2-3-1-5-4(8)6-3/h1-2H,(H2,5,6,8) InChIKey: XYBQLONABMMZQU-UHFFFAOYSA-N
CBID:50926 http://www.chembase.cn/molecule-50926.html