pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.0	IUPAC digitized pKa	0	-1	Oc1c(O)c(O)c(O)c(O)c1O	[O-]c1c(O)c(O)c(O)c(O)c1O	mol9544	Oc1c(O)c(O)c(O)c(O)c1O