CC1(C)[C@@H]2CC[C@@](C(=O)O)(C2)[C@H]1O    mol34928    0_1
CC1(C)[C@@H]2CC[C@@](C(=O)O)(C2)[C@H]1[O-]    mol34928    -1_1
CC1(C)[C@@H]2CC[C@@](C(=O)[O-])(C2)[C@H]1O    mol34928    -1_2