N=C(c1ccccc1)c1ccc(O)cc1    mol2421    0_1
[H]/N=C(\c1ccccc1)c1ccc(O)cc1    mol2421    0_2
[NH2+]=C(c1ccccc1)c1ccc([O-])cc1    mol2421    0_3
[NH2+]=C(c1ccccc1)c1ccc(O)cc1    mol2421    1_1