pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.89	IUPAC digitized pKa	0	-1	CNC(=S)S	CNC(=S)[S-]	mol8956	CNC(=S)S
2.89000010490417	QSARToolbox	0	-1	CNC(=S)S	CNC(=S)[S-]	mol8956	CNC(=S)S