Cc1cc(C)c(C(=O)O)c(C(C)(C)C(=O)O)c1C    mol34133    0_1
Cc1cc(C)c(C(=O)[O-])c(C(C)(C)C(=O)O)c1C    mol34133    -1_1
Cc1cc(C)c(C(=O)O)c(C(C)(C)C(=O)[O-])c1C    mol34133    -1_2