NCCC(=O)NCCc1c[nH]cn1    mol13866    0_1
NCCC(=O)NCCc1c[nH]c[nH+]1    mol13866    1_1
[NH3+]CCC(=O)NCCc1c[nH]cn1    mol13866    1_2
[NH3+]CCC(=O)NCCc1c[nH]c[nH+]1    mol13866    2_1