pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.875	IUPAC digitized pKa	0	-1	O=C(O)c1cnc2ccccc2n1	O=C([O-])c1cnc2ccccc2n1	mol10934	O=C(O)c1cnc2ccccc2n1
2.8	IUPAC digitized pKa	0	-1	O=C(O)c1cnc2ccccc2n1	O=C([O-])c1cnc2ccccc2n1	mol10934	O=C(O)c1cnc2ccccc2n1
2.76	IUPAC digitized pKa	0	-1	O=C(O)c1cnc2ccccc2n1	O=C([O-])c1cnc2ccccc2n1	mol10934	O=C(O)c1cnc2ccccc2n1