pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.81	Datawarrior	0	-1	O=[N+]([O-])c1ccc2ccc(O)cc2c1	O=[N+]([O-])c1ccc2ccc([O-])cc2c1	mol13452	O=[N+]([O-])c1ccc2ccc(O)cc2c1
8.8100004	OCHEM	0	-1	O=[N+]([O-])c1ccc2ccc(O)cc2c1	O=[N+]([O-])c1ccc2ccc([O-])cc2c1	mol13452	O=[N+]([O-])c1ccc2ccc(O)cc2c1