pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.9	IUPAC digitized pKa	0	-1	O=C(NCC(=O)N1CSC[C@@H]1C(=O)O)c1ccccc1	O=C(NCC(=O)N1CSC[C@@H]1C(=O)[O-])c1ccccc1	mol11927	O=C(NCC(=O)N1CSCC1C(=O)O)c1ccccc1