Cc1cc(Cl)c2ccc3cccnc3c2n1 mol5078 0_1 Cc1cc(Cl)c2ccc3ccc[nH+]c3c2n1 mol5078 1_1 Cc1cc(Cl)c2ccc3cccnc3c2[nH+]1 mol5078 1_2