CC(C)(C)C(C)(CC(=O)O)CC(=O)O    mol11268    0_1
CC(C)(C)C(C)(CC(=O)[O-])CC(=O)O    mol11268    -1_1
CC(C)(C)C(C)(CC(=O)[O-])CC(=O)[O-]    mol11268    -2_1