O=C(O)[C@H]1CC=CC[C@@H]1C(=O)O mol36336 0_1 O=C([O-])[C@H]1CC=CC[C@@H]1C(=O)O mol36336 -1_1 O=C([O-])[C@H]1CC=CC[C@@H]1C(=O)[O-] mol36336 -2_1