pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.87	IUPAC digitized pKa	1	0	NCc1ccccc1C[NH3+]	NCc1ccccc1CN	mol6240	NCc1ccccc1CN
7.35	IUPAC digitized pKa	2	1	[NH3+]Cc1ccccc1C[NH3+]	NCc1ccccc1C[NH3+]	mol6240	NCc1ccccc1CN