pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.41	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)c1c(Br)cc(Br)cc1Br	O=C([O-])c1c(Br)cc(Br)cc1Br	mol1807	O=C(O)c1c(Br)cc(Br)cc1Br
2.41	AttenGpKa training set	0	-1	O=C(O)c1c(Br)cc(Br)cc1Br	O=C([O-])c1c(Br)cc(Br)cc1Br	mol1807	O=C(O)c1c(Br)cc(Br)cc1Br