pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.42	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1ccc(-c2ccccc2O)cc1	O=[N+]([O-])c1ccc(-c2ccccc2[O-])cc1	mol784	O=[N+]([O-])c1ccc(-c2ccccc2O)cc1