pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.3	IUPAC digitized pKa	0	-1	O=C(O)c1ccc(Br)s1	O=C([O-])c1ccc(Br)s1	mol9477	O=C(O)c1ccc(Br)s1
3.19	IUPAC digitized pKa	0	-1	O=C(O)c1ccc(Br)s1	O=C([O-])c1ccc(Br)s1	mol9477	O=C(O)c1ccc(Br)s1
3.29999995231628	QSARToolbox	0	-1	O=C(O)c1ccc(Br)s1	O=C([O-])c1ccc(Br)s1	mol9477	O=C(O)c1ccc(Br)s1