pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.4	IUPAC digitized pKa	0	-1	CC(=NO)[N+](=O)[O-]	CC(=N[O-])[N+](=O)[O-]	mol8947	CC(=NO)[N+](=O)[O-]
7.40000009536743	QSARToolbox	0	-1	CC(=NO)[N+](=O)[O-]	CC(=N[O-])[N+](=O)[O-]	mol8947	CC(=NO)[N+](=O)[O-]