pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.34	Datawarrior	0	-1	O=C(O)/C=C/C(=O)c1ccccc1	O=C([O-])/C=C/C(=O)c1ccccc1	mol13856	O=C(O)/C=C/C(=O)c1ccccc1
3.33999991416931	QSARToolbox	0	-1	O=C(O)/C=C/C(=O)c1ccccc1	O=C([O-])/C=C/C(=O)c1ccccc1	mol13856	O=C(O)/C=C/C(=O)c1ccccc1