pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.90000009536743	QSARToolbox	0	-1	Nc1c(OS(=O)(=O)O)ccc2ccccc12	Nc1c(OS(=O)(=O)[O-])ccc2ccccc12	mol33948	Nc1c(OS(=O)(=O)O)ccc2ccccc12