The molecule is an organophosphate oxoanion arising from deprotonation of the diphosphate OH groups of all-trans-heptaprenyl diphosphate; major species at pH 7.3. It is a conjugate base of an all-trans-heptaprenyl diphosphate.
[[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenoxy]-oxidophosphoryl] phosphate