pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.5	QSARToolbox	-1	-2	O=C([O-])C[C@@H]1NC(=O)NC1=O	O=C([O-])C[C@@H]1NC(=O)[N-]C1=O,O=C([O-])C[C@@H]1[N-]C(=O)NC1=O	mol34099	O=C(O)CC1NC(=O)NC1=O