pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.95	IUPAC digitized pKa	0	-1	NC(=S)S	NC(=S)[S-]	mol8904	NC(=S)S
2.95000004768372	QSARToolbox	0	-1	NC(=S)S	NC(=S)[S-]	mol8904	NC(=S)S