pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.9	IUPAC digitized pKa	0	-1	C/C=C/c1ccc(OC)c(O)c1	C/C=C/c1ccc(OC)c([O-])c1	mol11225	C/C=C/c1ccc(OC)c(O)c1