O=[N+]([O-])c1ccc2[nH]ncc2c1    mol10056    0_1
O=[N+]([O-])c1ccc2[nH][nH+]cc2c1    mol10056    1_1
O=[N+]([O-])c1ccc2[n-]ncc2c1    mol10056    -1_1