N=C(N)NOCCCC(=O)O    mol8539    0_1
NC(=[NH2+])NOCCCC(=O)[O-]    mol8539    0_2
NC(=[NH2+])NOCCCC(=O)O    mol8539    1_1
[N-]=C(N)NOCCCC(=O)O    mol8539    -1_1
N=C(N)NOCCCC(=O)[O-]    mol8539    -1_2