pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.56	Datawarrior	0	-1	O=C(O)/C=C/c1ccccc1O	O=C([O-])/C=C/c1ccccc1O	mol1274	O=C(O)/C=C/c1ccccc1O
4.61	Hunt	0	-1	O=C(O)/C=C/c1ccccc1O	O=C([O-])/C=C/c1ccccc1O	mol1274	O=C(O)/C=C/c1ccccc1O
4.6100001335144	QSARToolbox	0	-1	O=C(O)/C=C/c1ccccc1O	O=C([O-])/C=C/c1ccccc1O	mol1274	O=C(O)/C=C/c1ccccc1O
9.63	Datawarrior	-1	-2	O=C([O-])/C=C/c1ccccc1O	O=C([O-])/C=C/c1ccccc1[O-]	mol1274	O=C(O)/C=C/c1ccccc1O