COC(=O)[C@H](Cc1c[nH]cn1)NC(C)=O    mol37434    0_1
COC(=O)[C@H](Cc1c[nH]c[nH+]1)NC(C)=O    mol37434    1_1
COC(=O)[C@H](Cc1c[nH]cn1)NC(C)=[OH+]    mol37434    1_2
COC(=[OH+])[C@H](Cc1c[nH]cn1)NC(C)=O    mol37434    1_3