pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.2	IUPAC digitized pKa	-1	-2	[O-]c1c(Br)cc(N=Nc2ccccn2)c(O)c1Br,[O-]c1c(N=Nc2ccccn2)cc(Br)c(O)c1Br	[O-]c1c(Br)cc(N=Nc2ccccn2)c([O-])c1Br	mol11635	Oc1c(Br)cc(N=Nc2ccccn2)c(O)c1Br