pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.46	IUPAC digitized pKa	0	-1	Cc1ccccc1N(O)C(=O)Cc1ccccc1	Cc1ccccc1N([O-])C(=O)Cc1ccccc1	mol841	Cc1ccccc1N(O)C(=O)Cc1ccccc1