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.
8-hydroxy-2-oxabicyclo[3.3.1]non-6-ene-3,5-dicarboxylate