pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.98	IUPAC digitized pKa	0	-1	CC(=O)[C@@H](O)CC([N+](=O)[O-])[N+](=O)[O-]	CC(=O)[C@@H](O)C[C-]([N+](=O)[O-])[N+](=O)[O-]	mol9423	CC(=O)C(O)CC([N+](=O)[O-])[N+](=O)[O-]