[O-]c1ccc2[nH+]ccnc2n1    mol8020    0_1
[O-]c1ccc2ncc[nH+]c2n1    mol8020    0_2
Oc1ccc2nccnc2n1    mol8020    0_3
Oc1ccc2nccnc2[nH+]1    mol8020    1_1
[O-]c1ccc2[nH+]cc[nH+]c2n1    mol8020    1_2
Oc1ccc2ncc[nH+]c2n1    mol8020    1_3
Oc1ccc2[nH+]ccnc2n1    mol8020    1_4
[O-]c1ccc2nccnc2n1    mol8020    -1_1