pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.68	Datawarrior	0	-1	O=C(O)C(=O)Cc1ccccc1	O=C([O-])C(=O)Cc1ccccc1	mol12549	O=C(O)C(=O)Cc1ccccc1
2.6800001	OCHEM	0	-1	O=C(O)C(=O)Cc1ccccc1	O=C([O-])C(=O)Cc1ccccc1	mol12549	O=C(O)C(=O)Cc1ccccc1