pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
15.5	IUPAC digitized pKa	0	-1	C=CCO	C=CC[O-]	mol1950	C=CCO
15.52	OCHEM	0	-1	C=CCO	C=CC[O-]	mol1950	C=CCO
15.5200004577637	QSARToolbox	0	-1	C=CCO	C=CC[O-]	mol1950	C=CCO
15.1199998855591	QSARToolbox	0	-1	C=CCO	C=CC[O-]	mol1950	C=CCO