pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.27	IUPAC digitized pKa	1	0	N[NH2+]c1ccccc1,[NH3+]Nc1ccccc1	NNc1ccccc1	mol8879	NNc1ccccc1
5.235	OCHEM	1	0	N[NH2+]c1ccccc1,[NH3+]Nc1ccccc1	NNc1ccccc1	mol8879	NNc1ccccc1