O=C(O)c1cnccn1    mol13606    0_1
O=C([O-])c1c[nH+]ccn1    mol13606    0_2
O=C([O-])c1cncc[nH+]1    mol13606    0_3
O=C(O)c1c[nH+]ccn1    mol13606    1_1
O=C([O-])c1c[nH+]cc[nH+]1    mol13606    1_2
O=C(O)c1cncc[nH+]1    mol13606    1_3
O=C([O-])c1cnccn1    mol13606    -1_1