NCCNC(=O)c1cccc2c(N)c3ccccc3nc12    mol18315    0_1
NCCNC(=O)c1cccc2c(N)c3ccccc3[nH+]c12    mol18315    1_1
Nc1c2ccccc2nc2c(C(=O)NCC[NH3+])cccc12    mol18315    1_2
NCCNC(=O)c1cccc2c([NH3+])c3ccccc3nc12    mol18315    1_3