pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.63	OCHEM	0	-1	NC(=O)CCCCC(=O)O	NC(=O)CCCCC(=O)[O-]	mol22300	NC(=O)CCCCC(=O)O
4.63000011444092	QSARToolbox	0	-1	NC(=O)CCCCC(=O)O	NC(=O)CCCCC(=O)[O-]	mol22300	NC(=O)CCCCC(=O)O