pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.29999995231628	QSARToolbox	0	-1	O=C(O)/C(I)=C/c1ccccc1	O=C([O-])/C(I)=C/c1ccccc1	mol23664	O=C(O)/C(I)=C/c1ccccc1