pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.90000009536743	QSARToolbox	0	-1	[O-][n+]1c[nH]c2ncnc(S)c21	[O-][n+]1c[nH]c2ncnc([S-])c21,[O-][n+]1c[n-]c2ncnc(S)c21	mol36815	[O-][n+]1c[nH]c2ncnc(S)c21