pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.55000019073486	QSARToolbox	1	0	O=C(O)CCC(=O)NCc1[nH]c2ccccc2[nH+]1	O=C([O-])CCC(=O)NCc1[nH]c2ccccc2[nH+]1	mol38229	O=C(O)CCC(=O)NCc1nc2ccccc2[nH]1