pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.45	IUPAC digitized pKa	0	-1	COCC(CC([N+](=O)[O-])[N+](=O)[O-])([N+](=O)[O-])[N+](=O)[O-]	COCC(C[C-]([N+](=O)[O-])[N+](=O)[O-])([N+](=O)[O-])[N+](=O)[O-]	mol9426	COCC(CC([N+](=O)[O-])[N+](=O)[O-])([N+](=O)[O-])[N+](=O)[O-]