pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.35000038146973	QSARToolbox	1	0	C[NH2+]CC(=O)NCC(=O)OC	CNCC(=O)NCC(=O)OC	mol36542	CNCC(=O)NCC(=O)OC