Cc1nc(C)c(C)c(S(=O)(=O)[O-])[nH+]1    mol7536    0_1
Cc1nc(C)c(C)c(S(=O)(=O)O)n1    mol7536    0_2
Cc1nc(S(=O)(=O)[O-])c(C)c(C)[nH+]1    mol7536    0_3
Cc1nc(C)c(C)c(S(=O)(=O)[O-])n1    mol7536    -1_1