pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.37	AttenGpKa training set	0	-1	Brc1nn[nH]c1Br	Brc1nn[n-]c1Br	mol25538	Brc1nn[nH]c1Br