Nc1nc(=O)c2ncc(=O)[nH]c2[nH]1    mol9640    0_1
Nc1nc(=O)c2ncc(=O)[n-]c2[nH]1    mol9640    -1_1
Nc1nc(=O)c2ncc(=O)[nH]c2[n-]1    mol9640    -1_2
Nc1nc(=O)c2ncc(=O)[n-]c2[n-]1    mol9640    -2_1