pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.72	IUPAC digitized pKa	-2	-3	Nc1cc(S(=O)(=O)[O-])cc2cc(S(=O)(=O)[O-])c(N=Nc3ccccc3)c(O)c12	Nc1cc(S(=O)(=O)[O-])cc2cc(S(=O)(=O)[O-])c(N=Nc3ccccc3)c([O-])c12	mol12129	Nc1cc(S(=O)(=O)O)cc2cc(S(=O)(=O)O)c(N=Nc3ccccc3)c(O)c12