pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.93	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1c(O)ccc2ccccc12	O=[N+]([O-])c1c([O-])ccc2ccccc12	mol11290	O=[N+]([O-])c1c(O)ccc2ccccc12
5.92999982833862	QSARToolbox	0	-1	O=[N+]([O-])c1c(O)ccc2ccccc12	O=[N+]([O-])c1c([O-])ccc2ccccc12	mol11290	O=[N+]([O-])c1c(O)ccc2ccccc12