提示: 按住Ctrl键可以同时选择多个官能团
SMILES: OC(=O)C(=O)CC(=O)[O-] Canonical SMILES: [O-]C(=O)CC(=O)C(=O)O InChI: InChI=1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1H2,(H,6,7)(H,8,9)/p-1 InChIKey: KHPXUQMNIQBQEV-UHFFFAOYSA-M
CBID:2363 http://www.chembase.cn/molecule-2363.html