pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.72	IUPAC digitized pKa	0	-1	COc1cccc(NS(=O)(=O)c2ccc(N)cc2)c1	COc1cccc([N-]S(=O)(=O)c2ccc(N)cc2)c1	mol11925	COc1cccc(NS(=O)(=O)c2ccc(N)cc2)c1