pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.2	IUPAC digitized pKa	1	0	Cc1cc(Br)n(C)[nH+]1	Cc1cc(Br)n(C)n1	mol6807	Cc1cc(Br)n(C)n1