NNC(=O)C(c1ccccc1)c1ccccc1    mol11972    0_1
[NH3+]NC(=O)C(c1ccccc1)c1ccccc1    mol11972    1_1
NNC(=O)[C-](c1ccccc1)c1ccccc1    mol11972    -1_1
N[N-]C(=O)C(c1ccccc1)c1ccccc1    mol11972    -1_2