C[NH+]1C=C(S)C=CN1    mol6967    1_1
C[NH+]1C=C([S-])C=C[NH2+]1    mol6967    1_2
CN1C=C(S)C=C[NH2+]1    mol6967    1_3
C[NH+]1C=C(S)C=C[NH2+]1    mol6967    2_1