pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.32	IUPAC digitized pKa	1	0	CNc1cc(NC)[nH+]cn1,CNc1cc([NH2+]C)ncn1	CNc1cc(NC)ncn1	mol4108	CNc1cc(NC)ncn1
6.39	AttenGpKa training set	1	0	CNc1cc(NC)[nH+]cn1,CNc1cc([NH2+]C)ncn1	CNc1cc(NC)ncn1	mol4108	CNc1cc(NC)ncn1