The molecule is a 4-hydroxy-3-polyprenylbenzoate in which the polyprenyl chain contains 7 prenyl units; major species at pH 7.3. It is a conjugate base of a 4-hydroxy-3-all-trans-heptaprenylbenzoic acid.
4-carboxy-2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]phenolate