pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.15	OCHEM	0	-1	NS(=O)(=O)Oc1ccc([N+](=O)[O-])cc1	[NH-]S(=O)(=O)Oc1ccc([N+](=O)[O-])cc1	mol32103	NS(=O)(=O)Oc1ccc([N+](=O)[O-])cc1