pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.34	OCHEM	0	-1	O=C(O)c1c(Cl)ccc2cc(Cl)cnc12	O=C([O-])c1c(Cl)ccc2cc(Cl)cnc12	mol2007	O=C(O)c1c(Cl)ccc2cc(Cl)cnc12