CC(C)(OC(C)(C)C(=O)O)C(=O)O    mol10474    0_1
CC(C)(OC(C)(C)C(=O)O)C(=O)[O-]    mol10474    -1_1
CC(C)(OC(C)(C)C(=O)[O-])C(=O)[O-]    mol10474    -2_1