pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.1	OCHEM	0	-1	O=C(O)Cc1ccccc1Nc1cc(Cl)ccc1Cl	O=C([O-])Cc1ccccc1Nc1cc(Cl)ccc1Cl	mol20840	O=C(O)Cc1ccccc1Nc1cc(Cl)ccc1Cl