pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.7	IUPAC digitized pKa	0	-1	Cn1c(=O)[nH]cc([N+](=O)[O-])c1=O	Cn1c(=O)[n-]cc([N+](=O)[O-])c1=O	mol9365	Cn1c(=O)[nH]cc([N+](=O)[O-])c1=O