pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.4000001	OCHEM	0	-1	O=C(O)C1=CC=CC=CC=C1	O=C([O-])C1=CC=CC=CC=C1	mol32569	O=C(O)C1=CC=CC=CC=C1