pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.9300000667572	QSARToolbox	0	-1	O=C(O)C[C@@H]1NC(=O)CNC1=O	O=C([O-])C[C@@H]1NC(=O)CNC1=O	mol36302	O=C(O)C[C@@H]1NC(=O)CNC1=O