提示: 按住Ctrl键可以同时选择多个官能团
SMILES: O1C(=O)C=C(C1=O)CC(=O)O Canonical SMILES: OC(=O)CC1=CC(=O)OC1=O InChI: InChI=1S/C6H4O5/c7-4(8)1-3-2-5(9)11-6(3)10/h2H,1H2,(H,7,8) InChIKey: GVJRTUUUJYMTNQ-UHFFFAOYSA-N
CBID:88868 http://www.chembase.cn/molecule-88868.html