pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.9	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])C(N=Nc1ccccc1)=NNc1ccccc1	O=S(=O)([O-])C(N=Nc1ccccc1)=N[N-]c1ccccc1	mol11918	O=S(=O)(O)C(N=Nc1ccccc1)=NNc1ccccc1