pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.7	IUPAC digitized pKa	0	-1	O=C1c2ccccc2C(=O)C1[N+](=O)[O-]	O=C1c2ccccc2C(=O)[C-]1[N+](=O)[O-]	mol10933	O=C1c2ccccc2C(=O)C1[N+](=O)[O-]