pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.90000009536743	QSARToolbox	0	-1	O=[N+]([O-])Nc1ccccn1	O=[N+]([O-])[N-]c1ccccn1	mol35789	O=[N+]([O-])Nc1ccccn1