pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.28999996185303	QSARToolbox	0	-1	C[C@@H](S)C(=O)N[C@@H](CS)C(=O)O	C[C@@H](S)C(=O)N[C@@H](CS)C(=O)[O-]	mol37421	CC(S)C(=O)N[C@@H](CS)C(=O)O