pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-5.2	IUPAC digitized pKa	1	0	Clc1c(-c2ccccc2)[nH+]oc1-c1ccccc1	Clc1c(-c2ccccc2)noc1-c1ccccc1	mol6724	Clc1c(-c2ccccc2)noc1-c1ccccc1