[NH3+][C@@H](CSCC(=O)[O-])C(=O)[O-]    mol8513    -1_1
N[C@@H](CSCC(=O)[O-])C(=O)O    mol8513    -1_2
N[C@@H](CSCC(=O)O)C(=O)[O-]    mol8513    -1_3
N[C@@H](CSCC(=O)[O-])C(=O)[O-]    mol8513    -2_1