pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.44	OCHEM	0	-1	N#CCCCC(=O)O	N#CCCCC(=O)[O-]	mol22208	N#CCCCC(=O)O
2.42000007629395	QSARToolbox	0	-1	N#CCCCC(=O)O	N#CCCCC(=O)[O-]	mol22208	N#CCCCC(=O)O
4.44000005722046	QSARToolbox	0	-1	N#CCCCC(=O)O	N#CCCCC(=O)[O-]	mol22208	N#CCCCC(=O)O