CC1(C)C[C@](C)(C(=O)O)C[C@@H]1C(=O)O    mol34904    0_1
CC1(C)C[C@](C)(C(=O)[O-])C[C@@H]1C(=O)O    mol34904    -1_1
CC1(C)C[C@](C)(C(=O)O)C[C@@H]1C(=O)[O-]    mol34904    -1_2