Cc1ncnc2nc[nH]c12    mol4896    0_1
Cc1ncnc2[nH+]c[nH]c12    mol4896    1_1
Cc1nc[nH+]c2nc[nH]c12    mol4896    1_2
Cc1[nH+]cnc2nc[nH]c12    mol4896    1_3
Cc1ncnc2nc[n-]c12    mol4896    -1_1