pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.5	Baltruschat ChEMBL	-1	-2	O=C1[N-]S(=O)(=O)Nc2[nH]ncc21,O=C1NS(=O)(=O)[N-]c2[nH]ncc21	O=C1[N-]S(=O)(=O)[N-]c2[nH]ncc21	mol16090	O=C1NS(=O)(=O)Nc2[nH]ncc21