pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.5	IUPAC digitized pKa	1	0	c1ccc(N=[NH+]c2ccncc2)cc1,c1ccc(N=Nc2cc[nH+]cc2)cc1	c1ccc(N=Nc2ccncc2)cc1	mol3775	c1ccc(N=Nc2ccncc2)cc1