pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.79	IUPAC digitized pKa	0	-1	CC(C)C[As](=O)(O)O	CC(C)C[As](=O)([O-])O	mol9250	CC(C)C[As](=O)(O)O
8.18	IUPAC digitized pKa	-1	-2	CC(C)C[As](=O)([O-])O	CC(C)C[As](=O)([O-])[O-]	mol9250	CC(C)C[As](=O)(O)O