pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.17	AttenGpKa training set	0	-1	Brc1n[nH]c(Br)n1	Brc1n[n-]c(Br)n1	mol25539	Brc1n[nH]c(Br)n1