CC(CC(=O)O)(CC(=O)O)C(C)(C)C(=O)O    mol35004    0_1
CC(CC(=O)O)(CC(=O)O)C(C)(C)C(=O)[O-]    mol35004    -1_1
CC(CC(=O)[O-])(CC(=O)O)C(C)(C)C(=O)O    mol35004    -1_2