pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.4	Novartis	0	-1	O=C(NO)C1c2ccccc2Oc2ccccc21	O=C(N[O-])C1c2ccccc2Oc2ccccc21	mol2980	O=C(NO)C1c2ccccc2Oc2ccccc21