pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.8	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])c1cc(N=Nc2ccc(Cl)cc2)c(O)c2ccccc12	O=S(=O)([O-])c1cc(N=Nc2ccc(Cl)cc2)c([O-])c2ccccc12	mol12137	O=S(=O)(O)c1cc(N=Nc2ccc(Cl)cc2)c(O)c2ccccc12