Nc1ccccc1C(=[NH2+])NO    mol6040    1_1
N=C(NO)c1ccccc1[NH3+]    mol6040    1_2
[NH2+]=C(N[O-])c1ccccc1[NH3+]    mol6040    1_3
[NH2+]=C(NO)c1ccccc1[NH3+]    mol6040    2_1