pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.2	IUPAC digitized pKa	1	0	Cn1cc(C#N)ccc1=[NH2+]	Cn1cc(C#N)ccc1=N	mol6405	Cn1cc(C#N)ccc1=N