NC1(N)C=CC(S(=O)(=O)O)=CC1    mol5991    0_1
NC1([NH3+])C=CC(S(=O)(=O)[O-])=CC1    mol5991    0_2
[NH3+]C1([NH3+])C=CC(S(=O)(=O)[O-])=CC1    mol5991    1_1
NC1([NH3+])C=CC(S(=O)(=O)O)=CC1    mol5991    1_2