pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.5	IUPAC digitized pKa	0	-1	CCCC(=O)NO	CCCC(=O)N[O-]	mol696	CCCC(=O)NO
9.48	Datawarrior	0	-1	CCCC(=O)NO	CCCC(=O)N[O-]	mol696	CCCC(=O)NO
9.4799995	OCHEM	0	-1	CCCC(=O)NO	CCCC(=O)N[O-]	mol696	CCCC(=O)NO
9.47999954223633	QSARToolbox	0	-1	CCCC(=O)NO	CCCC(=O)N[O-]	mol696	CCCC(=O)NO