pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.55	IUPAC digitized pKa	-1	-2	Cc1ccccc1N=Nc1cc(C(=O)[O-])c(O)c2ccccc12	Cc1ccccc1N=Nc1cc(C(=O)[O-])c([O-])c2ccccc12	mol12210	Cc1ccccc1N=Nc1cc(C(=O)O)c(O)c2ccccc12