pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.74	Baltruschat ChEMBL	0	-1	Oc1c(Br)cc(Br)c2nc3ccccc3nc12	[O-]c1c(Br)cc(Br)c2nc3ccccc3nc12	mol20350	Oc1c(Br)cc(Br)c2nc3ccccc3nc12