pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.02	IUPAC digitized pKa	1	0	O=[N+]([O-])c1ccc2c(c1)[C@@H](O)NC=[NH+]2	O=[N+]([O-])c1ccc2c(c1)[C@@H](O)NC=N2	mol7883	O=[N+]([O-])c1ccc2c(c1)C(O)NC=N2