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SMILES: OC(=O)c1nc(=O)[nH]c(=O)[nH]1 Canonical SMILES: O=c1[nH]c(=O)[nH]c(n1)C(=O)O InChI: InChI=1S/C4H3N3O4/c8-2(9)1-5-3(10)7-4(11)6-1/h(H,8,9)(H2,5,6,7,10,11) InChIKey: RYYCJUAHISIHTL-UHFFFAOYSA-N
CBID:2907 http://www.chembase.cn/molecule-2907.html