pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.44	Datawarrior	0	-1	O=C1C(O)=C(/C=C/c2ccccc2)C(=O)c2ccccc21	O=C1C([O-])=C(/C=C/c2ccccc2)C(=O)c2ccccc21	mol15423	O=C1C(O)=C(/C=C/c2ccccc2)C(=O)c2ccccc21