3,4-dihydroxy-5-polyprenylbenzoate
3,4-dihydroxy-5-polyprenylbenzoate
The dihydroxybenzoate anion formed by loss of a proton from the carboxy group of 3,4-dihydroxy-5-polyprenylbenzoic acid.  The major species present at pH 7.3, it is an intermediate in the formation of ubiquinone.