[NH3+]CC/C=C/C(=O)[O-]    mol12495    0_1
NCC/C=C/C(=O)O    mol12495    0_2
[NH3+]CC/C=C/C(=O)O    mol12495    1_1
NCC/C=C/C(=O)[O-]    mol12495    -1_1