pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.03	IUPAC digitized pKa	1	0	CN(c1ccc([NH3+])cc1)c1ccc([N+](=O)[O-])cc1	CN(c1ccc(N)cc1)c1ccc([N+](=O)[O-])cc1	mol5990	CN(c1ccc(N)cc1)c1ccc([N+](=O)[O-])cc1