pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-7.66	IUPAC digitized pKa	1	0	Clc1[nH+]oc(-c2ccccc2)c1Cl	Clc1noc(-c2ccccc2)c1Cl	mol6726	Clc1noc(-c2ccccc2)c1Cl