pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.19999980926514	QSARToolbox	0	-1	O=S(=O)(O)CCN=C(c1ccccc1)c1ccccc1O,O=S(=O)([O-])CC[NH+]=C(c1ccccc1)c1ccccc1O	O=S(=O)([O-])CCN=C(c1ccccc1)c1ccccc1O	mol38250	O=S(=O)(O)CCN=C(c1ccccc1)c1ccccc1O