pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.43	IUPAC digitized pKa	0	-1	NS(=O)(=O)c1cc(=O)[nH]c(=O)[nH]1	NS(=O)(=O)c1cc(=O)[n-]c(=O)[nH]1,NS(=O)(=O)c1cc(=O)[nH]c(=O)[n-]1	mol9277	NS(=O)(=O)c1cc(=O)[nH]c(=O)[nH]1
5.42999982833862	QSARToolbox	0	-1	NS(=O)(=O)c1cc(=O)[nH]c(=O)[nH]1	NS(=O)(=O)c1cc(=O)[n-]c(=O)[nH]1,NS(=O)(=O)c1cc(=O)[nH]c(=O)[n-]1	mol9277	NS(=O)(=O)c1cc(=O)[nH]c(=O)[nH]1