pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.11	IUPAC digitized pKa	0	-1	NCc1ccccc1S(N)(=O)=O	[NH-]S(=O)(=O)c1ccccc1CN	mol1171	NCc1ccccc1S(N)(=O)=O
8.53	IUPAC digitized pKa	1	0	NS(=O)(=O)c1ccccc1C[NH3+]	NCc1ccccc1S(N)(=O)=O	mol1171	NCc1ccccc1S(N)(=O)=O
8.5299997	OCHEM	1	0	NS(=O)(=O)c1ccccc1C[NH3+]	NCc1ccccc1S(N)(=O)=O	mol1171	NCc1ccccc1S(N)(=O)=O