CNCC(=O)N(C)CC(=O)O    mol34360    0_1
C[NH2+]CC(=O)N(C)CC(=O)[O-]    mol34360    0_2
CNCC(=[OH+])N(C)CC(=O)O    mol34360    1_1
CNCC(=O)N(C)CC(O)=[OH+]    mol34360    1_2
C[NH2+]CC(=O)N(C)CC(=O)O    mol34360    1_3
CNCC(=O)N(C)CC(=O)[O-]    mol34360    -1_1