pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.31	IUPAC digitized pKa	1	0	O[n+]1c(Cl)cccc1Cl	[O-][n+]1c(Cl)cccc1Cl	mol6603	[O-][n+]1c(Cl)cccc1Cl
-2.76	IUPAC digitized pKa	1	0	O[n+]1c(Cl)cccc1Cl	[O-][n+]1c(Cl)cccc1Cl	mol6603	[O-][n+]1c(Cl)cccc1Cl