pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.5	IUPAC digitized pKa	0	-1	CC1CC(=NO)C(=O)C(=NO)C1	CC1CC(=N[O-])C(=O)C(=NO)C1	mol10227	CC1CC(=NO)C(=O)C(=NO)C1