[NH3+][C@H]1C[C@@H](C(=O)O)[NH2+][C@@H](C(=O)[O-])C1    mol33231    1_1
N[C@H]1C[C@@H](C(=O)O)N[C@@H](C(O)=[OH+])C1    mol33231    1_2
[NH3+][C@H]1C[C@@H](C(=O)O)N[C@@H](C(=O)O)C1    mol33231    1_3
N[C@H]1C[C@@H](C(=O)O)[NH2+][C@@H](C(=O)O)C1    mol33231    1_4
N[C@H]1C[C@@H](C(O)=[OH+])N[C@@H](C(O)=[OH+])C1    mol33231    2_1
[NH3+][C@H]1C[C@@H](C(=O)O)[NH2+][C@@H](C(=O)O)C1    mol33231    2_2
[NH3+][C@H]1C[C@@H](C(=O)O)N[C@@H](C(O)=[OH+])C1    mol33231    2_3
N[C@H]1C[C@@H](C(=O)O)[NH2+][C@@H](C(O)=[OH+])C1    mol33231    2_4