pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.0	Baltruschat ChEMBL	0	-1	O=C(O)c1cc2occc2[nH]1	O=C([O-])c1cc2occc2[nH]1	mol19285	O=C(O)c1cc2occc2[nH]1
4.09	Baltruschat ChEMBL	0	-1	O=C(O)c1cc2occc2[nH]1	O=C([O-])c1cc2occc2[nH]1	mol19285	O=C(O)c1cc2occc2[nH]1