pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.94	IUPAC digitized pKa	1	0	CC[NH2+]c1ccc([N+](=O)[O-])cc1	CCNc1ccc([N+](=O)[O-])cc1	mol2213	CCNc1ccc([N+](=O)[O-])cc1