pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.18	IUPAC digitized pKa	1	0	Nc1cc([NH3+])nc2ncccc12,Nc1cc(N)c2cccnc2[nH+]1,Nc1cc(N)c2ccc[nH+]c2n1,Nc1cc([NH3+])c2cccnc2n1	Nc1cc(N)c2cccnc2n1	mol8001	Nc1cc(N)c2cccnc2n1