pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.97	Datawarrior	0	-1	O=C(O)C(=O)/C=C/c1ccccc1	O=C([O-])C(=O)/C=C/c1ccccc1	mol13852	O=C(O)C(=O)/C=C/c1ccccc1
1.97000002861023	QSARToolbox	0	-1	O=C(O)C(=O)/C=C/c1ccccc1	O=C([O-])C(=O)/C=C/c1ccccc1	mol13852	O=C(O)C(=O)/C=C/c1ccccc1