pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.67	IUPAC digitized pKa	0	-1	Cc1cccc(N(O)C(=O)c2ccccc2)c1	Cc1cccc(N([O-])C(=O)c2ccccc2)c1	mol11963	Cc1cccc(N(O)C(=O)c2ccccc2)c1