O=C(O)CC(=O)Oc1ccc([N+](=O)[O-])cc1    mol35997    0_1
O=C(O)[CH-]C(=O)Oc1ccc([N+](=O)[O-])cc1    mol35997    -1_1
O=C([O-])CC(=O)Oc1ccc([N+](=O)[O-])cc1    mol35997    -1_2