pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.37	IUPAC digitized pKa	0	-1	O=C(O)c1ccc(Br)c2ccccc12	O=C([O-])c1ccc(Br)c2ccccc12	mol11542	O=C(O)c1ccc(Br)c2ccccc12
3.36999988555908	QSARToolbox	0	-1	O=C(O)c1ccc(Br)c2ccccc12	O=C([O-])c1ccc(Br)c2ccccc12	mol11542	O=C(O)c1ccc(Br)c2ccccc12