pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.5	QSARToolbox	0	-1	O=[N+]([O-])c1cc([N+](=O)[O-])c2c(c1O)CCCC2	O=[N+]([O-])c1cc([N+](=O)[O-])c2c(c1[O-])CCCC2	mol30751	O=[N+]([O-])c1cc([N+](=O)[O-])c2c(c1O)CCCC2