pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.5	IUPAC digitized pKa	0	-1	O=C(O)c1cc(N=Nc2ccc(Cl)cc2)ccc1O	O=C([O-])c1cc(N=Nc2ccc(Cl)cc2)ccc1O	mol11906	O=C(O)c1cc(N=Nc2ccc(Cl)cc2)ccc1O
11.56	IUPAC digitized pKa	-1	-2	O=C([O-])c1cc(N=Nc2ccc(Cl)cc2)ccc1O	O=C([O-])c1cc(N=Nc2ccc(Cl)cc2)ccc1[O-]	mol11906	O=C(O)c1cc(N=Nc2ccc(Cl)cc2)ccc1O