pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.18	Datawarrior	0	-1	O=c1ccc2ccc(O)cc2o1	O=c1ccc2ccc([O-])cc2o1	mol12749	O=c1ccc2ccc(O)cc2o1
6.1799998	OCHEM	0	-1	O=c1ccc2ccc(O)cc2o1	O=c1ccc2ccc([O-])cc2o1	mol12749	O=c1ccc2ccc(O)cc2o1