pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.5	IUPAC digitized pKa	0	-1	O=[N+]([O-])C(C=NO)C=NO	O=[N+]([O-])C(C=N[O-])C=NO	mol9036	O=[N+]([O-])C(C=NO)C=NO
10.4	IUPAC digitized pKa	-1	-2	O=[N+]([O-])C(C=N[O-])C=NO	O=[N+]([O-])C(C=N[O-])C=N[O-]	mol9036	O=[N+]([O-])C(C=NO)C=NO