C[NH2+]C1=CCN(C)C([O-])=N1    mol25749    0_1
CNC1=CCN(C)C(O)=N1    mol25749    0_2
C[NH2+]C1=CCN(C)C(O)=N1    mol25749    1_1
CNC1=CCN(C)C(O)=[NH+]1    mol25749    1_2