pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.9	IUPAC digitized pKa	1	0	Cn1ccc(=[NH2+])nc1N,Cn1ccc(=N)[nH+]c1N,Cn1ccc(=N)nc1[NH3+]	Cn1ccc(=N)nc1N	mol4071	Cn1ccc(=N)nc1N