pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.3	OCHEM	0	-1	Cn1c(=O)nc2sc(S(N)(=O)=O)nn2c1=O	Cn1c(=O)nc2sc(S([NH-])(=O)=O)nn2c1=O	mol17311	Cn1c(=O)nc2sc(S(N)(=O)=O)nn2c1=O