SMILES: C1C2C(C=CC1(CC(O2)C(=O)[O-])C(=O)[O-])O
Description: The molecule is transition state of the chorismate mutase catalyzed Claisen rearrangement of chorismate to prephenate. It is a conjugate base of an 8-hydroxy-2-oxabicyclo[3.3.1]non-6-ene-3,5-dicarboxylic acid.