pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.42999982833862	QSARToolbox	0	-1	O=C(O)CCNC(=O)c1ccccc1	O=C([O-])CCNC(=O)c1ccccc1	mol33902	O=C(O)CCNC(=O)c1ccccc1