pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
14.5	QSARToolbox	0	-1	OCCCCO	[O-]CCCCO	mol9138	OCCCCO
15.1	IUPAC digitized pKa	-1	-2	[O-]CCCCO	[O-]CCCC[O-]	mol9138	OCCCCO
15.4	OCHEM	-1	-2	[O-]CCCCO	[O-]CCCC[O-]	mol9138	OCCCCO