pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.58	IUPAC digitized pKa	0	-1	O=C(O)C[Se]c1ccccc1Br	O=C([O-])C[Se]c1ccccc1Br	mol10747	O=C(O)C[Se]c1ccccc1Br
3.57999992370605	QSARToolbox	0	-1	O=C(O)C[Se]c1ccccc1Br	O=C([O-])C[Se]c1ccccc1Br	mol10747	O=C(O)C[Se]c1ccccc1Br