NC1(C(=O)O)CCCC1    mol8478    0_1
[NH3+]C1(C(=O)[O-])CCCC1    mol8478    0_2
[NH3+]C1(C(=O)O)CCCC1    mol8478    1_1
NC1(C(=O)[O-])CCCC1    mol8478    -1_1