pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.6	IUPAC digitized pKa	0	-1	O=C(c1ccccc1Cl)N(O)c1ccccc1	O=C(c1ccccc1Cl)N([O-])c1ccccc1	mol11913	O=C(c1ccccc1Cl)N(O)c1ccccc1