pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.07	IUPAC digitized pKa	0	-1	COC(=O)[C@@H](CC(=O)O)c1ccc([N+](=O)[O-])cc1	COC(=O)[C@@H](CC(=O)[O-])c1ccc([N+](=O)[O-])cc1	mol11577	COC(=O)C(CC(=O)O)c1ccc([N+](=O)[O-])cc1