O=[N+]([O-])c1ccc(/C=N/c2ncccn2)cc1    mol15149    0_1
O=[N+]([O-])c1ccc(/C=[NH+]/c2ncccn2)cc1    mol15149    1_1
O=[N+]([O-])c1ccc(/C=N/c2nccc[nH+]2)cc1    mol15149    1_2