pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.8	IUPAC digitized pKa	0	-1	Cn1cc2[nH]cnc2nc1=O	Cn1cc2[n-]cnc2nc1=O	mol4869	Cn1cc2[nH]cnc2nc1=O
1.8	IUPAC digitized pKa	1	0	Cn1cc2[nH]c[nH+]c2nc1=O,Cn1cc2[nH]cnc2[nH+]c1=O	Cn1cc2[nH]cnc2nc1=O	mol4869	Cn1cc2[nH]cnc2nc1=O