O=S(=O)([O-])c1c(O)ccc2ccccc12    mol11302    -1_1
O=S(=O)(O)c1c([O-])ccc2ccccc12    mol11302    -1_2
O=S(=O)([O-])c1c([O-])ccc2ccccc12    mol11302    -2_1