pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.22	IUPAC digitized pKa	0	-1	Oc1cc(O)c2ccccc2c1	[O-]c1cc(O)cc2ccccc12,[O-]c1cc(O)c2ccccc2c1	mol11179	Oc1cc(O)c2ccccc2c1