pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.41	IUPAC digitized pKa	0	-1	NC(=O)CC([N+](=O)[O-])[N+](=O)[O-]	NC(=O)C[C-]([N+](=O)[O-])[N+](=O)[O-]	mol9039	NC(=O)CC([N+](=O)[O-])[N+](=O)[O-]