CC1(C)C[C@@](C)(C(=O)O)C[C@H]1C(=O)O    mol34908    0_1
CC1(C)C[C@@](C)(C(=O)O)C[C@H]1C(=O)[O-]    mol34908    -1_1
CC1(C)C[C@@](C)(C(=O)[O-])C[C@H]1C(=O)O    mol34908    -1_2