O=[N+]([O-])c1cccc(/N=[NH+]/c2ccc([O-])cc2[O-])c1 mol30824 -1_1 O=[N+]([O-])c1cccc(/N=N/c2ccc(O)cc2[O-])c1 mol30824 -1_2 O=[N+]([O-])c1cccc(/[NH+]=N/c2ccc([O-])cc2[O-])c1 mol30824 -1_3 O=[N+]([O-])c1cccc(/N=N/c2ccc([O-])cc2O)c1 mol30824 -1_4 O=[N+]([O-])c1cccc(/N=N/c2ccc([O-])cc2[O-])c1 mol30824 -2_1