pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.04	IUPAC digitized pKa	0	-1	O=[As](O)(O)c1ccccc1O	O=[As]([O-])(O)c1ccccc1O	mol9743	O=[As](O)(O)c1ccccc1O
7.92	IUPAC digitized pKa	-1	-2	O=[As]([O-])(O)c1ccccc1O	O=[As]([O-])([O-])c1ccccc1O	mol9743	O=[As](O)(O)c1ccccc1O
13.27	IUPAC digitized pKa	-2	-3	O=[As]([O-])([O-])c1ccccc1O	O=[As]([O-])([O-])c1ccccc1[O-]	mol9743	O=[As](O)(O)c1ccccc1O