pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.6	IUPAC digitized pKa	-3	-4	O=S(=O)([O-])c1c([O-])c(O)c(S(=O)(=O)[O-])c(Br)c1Br	O=S(=O)([O-])c1c([O-])c([O-])c(S(=O)(=O)[O-])c(Br)c1Br	mol9869	O=S(=O)(O)c1c(O)c(O)c(S(=O)(=O)O)c(Br)c1Br
9.15	IUPAC digitized pKa	-2	-3	O=S(=O)([O-])c1c(O)c(O)c(S(=O)(=O)[O-])c(Br)c1Br	O=S(=O)([O-])c1c([O-])c(O)c(S(=O)(=O)[O-])c(Br)c1Br	mol9869	O=S(=O)(O)c1c(O)c(O)c(S(=O)(=O)O)c(Br)c1Br