NC(=O)NC(C(=O)O)(c1ccccc1)c1ccccc1    mol29389    0_1
NC(=[OH+])NC(C(=O)O)(c1ccccc1)c1ccccc1    mol29389    1_1
NC(=O)NC(C(O)=[OH+])(c1ccccc1)c1ccccc1    mol29389    1_2