pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.13	IUPAC digitized pKa	1	0	Cn1c[nH+]cc1[N+](=O)[O-]	Cn1cncc1[N+](=O)[O-]	mol3917	Cn1cncc1[N+](=O)[O-]
2.13000011444092	QSARToolbox	1	0	Cn1c[nH+]cc1[N+](=O)[O-]	Cn1cncc1[N+](=O)[O-]	mol3917	Cn1cncc1[N+](=O)[O-]