pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.53	IUPAC digitized pKa	0	-1	O=Cc1ccc(O)c2ccccc12	O=Cc1ccc([O-])c2ccccc12	mol11486	O=Cc1ccc(O)c2ccccc12