pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.85	Organic Oxygen Acids and Nitrogen Bases	1	0	Clc1ccc[nH+]c1Cl	Clc1cccnc1Cl	mol6427	Clc1cccnc1Cl