pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.88	OCHEM	0	-1	C/C=C\c1ccc(O)c(OC)c1	C/C=C\c1ccc([O-])c(OC)c1	mol1997	C/C=C\c1ccc(O)c(OC)c1