Cn1c(O)nc2ncncc21    mol4888    0_1
Cn1c([O-])nc2[nH+]cncc21    mol4888    0_2
Cn1c([O-])nc2nc[nH+]cc21    mol4888    0_3
Cn1c([O-])nc2[nH+]c[nH+]cc21    mol4888    1_1
Cn1c(O)[nH+]c2ncncc21    mol4888    1_2
Cn1c(O)nc2nc[nH+]cc21    mol4888    1_3
Cn1c(O)nc2[nH+]cncc21    mol4888    1_4
Cn1c([O-])nc2ncncc21    mol4888    -1_1