Cc1ccc(N=Nc2cc(S(=O)(=O)O)ccc2[O-])cc1 mol11920 -1_1 Cc1ccc([NH+]=Nc2cc(S(=O)(=O)[O-])ccc2[O-])cc1 mol11920 -1_2 Cc1ccc(N=[NH+]c2cc(S(=O)(=O)[O-])ccc2[O-])cc1 mol11920 -1_3 Cc1ccc(N=Nc2cc(S(=O)(=O)[O-])ccc2O)cc1 mol11920 -1_4 Cc1ccc(N=Nc2cc(S(=O)(=O)[O-])ccc2[O-])cc1 mol11920 -2_1