pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.1	Datawarrior	0	-1	O=c1cc(O)c2ccccc2o1	O=c1cc([O-])c2ccccc2o1	mol12740	O=c1cc(O)c2ccccc2o1
4.0999999	OCHEM	0	-1	O=c1cc(O)c2ccccc2o1	O=c1cc([O-])c2ccccc2o1	mol12740	O=c1cc(O)c2ccccc2o1