Oc1ccnc(O)n1    mol4171    0_1
[O-]c1cc[nH+]c(O)n1    mol4171    0_2
Oc1ccnc(O)[nH+]1    mol4171    1_1
Oc1cc[nH+]c(O)n1    mol4171    1_2
Oc1cc[nH+]c(O)[nH+]1    mol4171    2_1
[O-]c1ccnc([O-])n1    mol4171    -2_1
[O-]c1ccnc(O)n1    mol4171    -1_1
[O-]c1nccc(O)n1    mol4171    -1_2