pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	QSARToolbox	0	-1	C[NH+](C)c1ccc(/N=N\c2ccc(S(=O)(=O)[O-])cc2)cc1	CN(C)c1ccc(/N=N\c2ccc(S(=O)(=O)[O-])cc2)cc1	mol38445	CN(C)c1ccc(/N=N\c2ccc(S(=O)(=O)O)cc2)cc1