pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.4	IUPAC digitized pKa	1	0	Nc1nccnc1C[NH3+]	NCc1nccnc1N	mol6770	NCc1nccnc1N
2.05	IUPAC digitized pKa	2	1	[NH3+]Cc1nccnc1[NH3+],Nc1[nH+]ccnc1C[NH3+]	Nc1nccnc1C[NH3+]	mol6770	NCc1nccnc1N