pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.34	IUPAC digitized pKa	0	-1	N#CCCCC([N+](=O)[O-])[N+](=O)[O-]	N#CCCC[C-]([N+](=O)[O-])[N+](=O)[O-]	mol9402	N#CCCCC([N+](=O)[O-])[N+](=O)[O-]