提示: 按住Ctrl键可以同时选择多个官能团
SMILES: c1(c([n+](on1)[O-])C)C(=O)O Canonical SMILES: OC(=O)c1no[n+](c1C)[O-] InChI: InChI=1S/C4H4N2O4/c1-2-3(4(7)8)5-10-6(2)9/h1H3,(H,7,8) InChIKey: PURTYCIHNLXAAE-UHFFFAOYSA-N
CBID:15192 http://www.chembase.cn/molecule-15192.html