pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	IUPAC digitized pKa	0	-1	N#CCCCCC([N+](=O)[O-])[N+](=O)[O-]	N#CCCCC[C-]([N+](=O)[O-])[N+](=O)[O-]	mol9777	N#CCCCCC([N+](=O)[O-])[N+](=O)[O-]