提示: 按住Ctrl键可以同时选择多个官能团
SMILES: c1c[n+](ccn1)[O-] Canonical SMILES: [O-][n+]1ccncc1 InChI: InChI=1S/C4H4N2O/c7-6-3-1-5-2-4-6/h1-4H InChIKey: RUIZBQQGWNBRFH-UHFFFAOYSA-N
CBID:141443 http://www.chembase.cn/molecule-141443.html