CCCNc1ncnc2[nH]ncc12    mol4963    0_1
CCCNc1ncnc2[nH][nH+]cc12    mol4963    1_1
CCC[NH2+]c1ncnc2[nH]ncc12    mol4963    1_2
CCCNc1[nH+]cnc2[nH]ncc12    mol4963    1_3
CCCNc1nc[nH+]c2[nH]ncc12    mol4963    1_4