NC(=O)NN[C@@H](c1ccccc1)C(C=O)C=O    mol37095    0_1
NC(=O)N[NH2+][C@@H](c1ccccc1)C(C=O)C=O    mol37095    1_1
NC(=O)NN[C@@H](c1ccccc1)C(C=O)C=[OH+]    mol37095    1_2
NC(=[OH+])NN[C@@H](c1ccccc1)C(C=O)C=O    mol37095    1_3