pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.28	OCHEM	0	-1	CCOc1ccccc1OS(=O)(=O)NC(=O)Nc1nc(OC)cc(OC)n1	CCOc1ccccc1OS(=O)(=O)[N-]C(=O)Nc1nc(OC)cc(OC)n1	mol657	CCOc1ccccc1OS(=O)(=O)NC(=O)Nc1nc(OC)cc(OC)n1