pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.78	IUPAC digitized pKa	1	0	Cc1[nH+]n(C)c(C)c1Br	Cc1nn(C)c(C)c1Br	mol6816	Cc1nn(C)c(C)c1Br