提示: 按住Ctrl键可以同时选择多个官能团
SMILES: O=C1C(=O)C(=O)C(=O)C1=O Canonical SMILES: O=C1C(=O)C(=O)C(=O)C1=O InChI: InChI=1S/C5O5/c6-1-2(7)4(9)5(10)3(1)8 InChIKey: YVVXMBHAKNKELS-UHFFFAOYSA-N
CBID:126813 http://www.chembase.cn/molecule-126813.html