pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.38	IUPAC digitized pKa	1	0	O=[N+]([O-])c1ccc([NH2+]Nc2ccccc2)cc1,O=[N+]([O-])c1ccc(N[NH2+]c2ccccc2)cc1	O=[N+]([O-])c1ccc(NNc2ccccc2)cc1	mol6064	O=[N+]([O-])c1ccc(NNc2ccccc2)cc1