pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.3	IUPAC digitized pKa	1	0	CNc1cc(N)[nH+]cn1,C[NH2+]c1cc(N)ncn1,CNc1cc([NH3+])ncn1,CNc1cc(N)nc[nH+]1	CNc1cc(N)ncn1	mol4099	CNc1cc(N)ncn1