pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.45	IUPAC digitized pKa	1	0	Cc1cc(Br)[nH+][nH]1	Cc1cc(Br)n[nH]1	mol6810	Cc1cc(Br)n[nH]1