pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.8	Baltruschat ChEMBL	0	-1	O=C(O)CN1C(=O)c2cccc3cccc(c23)C1=O	O=C([O-])CN1C(=O)c2cccc3cccc(c23)C1=O	mol20455	O=C(O)CN1C(=O)c2cccc3cccc(c23)C1=O