O=[N+]([O-])c1cc2cccnc2c2ncccc12    mol5102    0_1
O=[N+]([O-])c1cc2ccc[nH+]c2c2ncccc12    mol5102    1_1
O=[N+]([O-])c1cc2cccnc2c2[nH+]cccc12    mol5102    1_2