pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.44	AttenGpKa training set	-1	-2	O=P([O-])(O)Oc1ccc(Br)cc1	O=P([O-])([O-])Oc1ccc(Br)cc1	mol29021	O=P(O)(O)Oc1ccc(Br)cc1