pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.43	Baltruschat ChEMBL	-1	-2	[NH-]S(=O)(=O)c1cc2c(s1)S(=O)(=O)CC(=O)N2	[NH-]S(=O)(=O)c1cc2c(s1)S(=O)(=O)[CH-]C(=O)N2,NS(=O)(=O)c1cc2c(s1)S(=O)(=O)[CH-]C(=O)[N-]2	mol20357	NS(=O)(=O)c1cc2c(s1)S(=O)(=O)CC(=O)N2