pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.99000000953674	QSARToolbox	0	-1	C[C@@]1(C(=O)O)OC(=O)CS1	C[C@@]1(C(=O)[O-])OC(=O)CS1	mol34933	CC1(C(=O)O)OC(=O)CS1