pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.89	Baltruschat ChEMBL	0	-1	O=C(O)CCCN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O	O=C([O-])CCCN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O	mol20231	O=C(O)CCCN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O