pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.7	IUPAC digitized pKa	0	-1	O=C1C=CC(=NO)C(Cl)=C1	O=C1C=CC(=N[O-])C(Cl)=C1	mol9857	O=C1C=CC(=NO)C(Cl)=C1