pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.52	AttenGpKa training set	1	0	Cc1c(Br)c(Br)[nH+]n1C	Cc1c(Br)c(Br)nn1C	mol6835	Cc1c(Br)c(Br)nn1C