CNc1ncc2[nH]cnc2n1    mol8319    0_1
CNc1ncc2[nH]c[nH+]c2n1    mol8319    1_1
CNc1nc2nc[nH]c2c[nH+]1    mol8319    1_2
CNc1ncc2[nH]cnc2[nH+]1    mol8319    1_3
C[NH2+]c1ncc2[nH]cnc2n1    mol8319    1_4
CNc1ncc2[n-]cnc2n1    mol8319    -1_1