COC(=O)[C@]1(C)CCC[C@](C)(C(=O)OC)[C@H]1C(=O)O    mol36625    0_1
COC(=O)[C@]1(C)CCC[C@](C)(C(=O)OC)[C@H]1C(=O)[O-]    mol36625    -1_1