pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.18	IUPAC digitized pKa	0	-1	O=Cc1ccc(Cl)cc1O	O=Cc1ccc(Cl)cc1[O-]	mol10063	O=Cc1ccc(Cl)cc1O