pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.32	Organic Oxygen Acids and Nitrogen Bases	0	-1	COc1ccc(S(=O)(=O)c2coc(S(N)(=O)=O)c2)cc1	COc1ccc(S(=O)(=O)c2coc(S([NH-])(=O)=O)c2)cc1	mol21187	COc1ccc(S(=O)(=O)c2coc(S(N)(=O)=O)c2)cc1