pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.0	IUPAC digitized pKa	0	-1	CC(=O)NCC([N+](=O)[O-])[N+](=O)[O-]	CC(=O)NC[C-]([N+](=O)[O-])[N+](=O)[O-]	mol9219	CC(=O)NCC([N+](=O)[O-])[N+](=O)[O-]