pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.9	OCHEM	-1	-2	Nc1ccc([As](=O)([O-])O)c2ccccc12	Nc1ccc([As](=O)([O-])[O-])c2ccccc12	mol33133	Nc1ccc([As](=O)(O)O)c2ccccc12
9.17000007629395	QSARToolbox	-1	-2	Nc1ccc([As](=O)([O-])O)c2ccccc12	Nc1ccc([As](=O)([O-])[O-])c2ccccc12	mol33133	Nc1ccc([As](=O)(O)O)c2ccccc12