Nc1cc[n+]([O-])cc1C(=O)O mol9694 0_1 Nc1cc[n+](O)cc1C(=O)[O-] mol9694 0_2 [NH3+]c1cc[n+]([O-])cc1C(=O)[O-] mol9694 0_3 Nc1cc[n+]([O-])cc1C(=O)[O-] mol9694 -1_1