Nc1nnnn1-c1cccc(Cl)c1 mol4298 0_1 Nc1nn[nH+]n1-c1cccc(Cl)c1 mol4298 1_1 Nc1n[nH+]nn1-c1cccc(Cl)c1 mol4298 1_2 [NH3+]c1nnnn1-c1cccc(Cl)c1 mol4298 1_3 Nc1[nH+]nnn1-c1cccc(Cl)c1 mol4298 1_4