CCCCCCCCCC(=O)N[C@@H](Cc1c[nH]cn1)C(=O)OC    mol37429    0_1
CCCCCCCCCC(=[OH+])N[C@@H](Cc1c[nH]cn1)C(=O)OC    mol37429    1_1
CCCCCCCCCC(=O)N[C@@H](Cc1c[nH]cn1)C(=[OH+])OC    mol37429    1_2
CCCCCCCCCC(=O)N[C@@H](Cc1c[nH]c[nH+]1)C(=O)OC    mol37429    1_3