pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.24000000953674	QSARToolbox	0	-1	O=C(O)/C(I)=C\c1ccccc1	O=C([O-])/C(I)=C\c1ccccc1	mol23662	O=C(O)/C(I)=C\c1ccccc1