pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.96999979019165	QSARToolbox	0	-1	O=c1ccc2c(O)c3ccoc3cc2o1	O=c1ccc2c([O-])c3ccoc3cc2o1	mol33792	O=c1ccc2c(O)c3ccoc3cc2o1