pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.5	QSARToolbox	-1	-2	O=C([O-])c1nnc(S)nc1O	O=C([O-])c1nnc(S)nc1[O-],O=C([O-])c1nnc([S-])nc1O	mol36735	O=C(O)c1nnc(S)nc1O