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SMILES: [nH]1c(=O)c(c[nH]c1=O)O Canonical SMILES: Oc1c[nH]c(=O)[nH]c1=O InChI: InChI=1S/C4H4N2O3/c7-2-1-5-4(9)6-3(2)8/h1,7H,(H2,5,6,8,9) InChIKey: OFJNVANOCZHTMW-UHFFFAOYSA-N
CBID:310006 http://www.chembase.cn/molecule-310006.html