pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.87	IUPAC digitized pKa	1	0	Cc1c(Br)cc([NH3+])cc1Br	Cc1c(Br)cc(N)cc1Br	mol2396	Cc1c(Br)cc(N)cc1Br
2.8699999	OCHEM	1	0	Cc1c(Br)cc([NH3+])cc1Br	Cc1c(Br)cc(N)cc1Br	mol2396	Cc1c(Br)cc(N)cc1Br