The molecule is trianion of all-trans-octaprenyl diphosphate arising from deprotonation of all three diphosphate OH groups; major species at pH 7.3 It is a conjugate base of an all-trans-octaprenyl diphosphate.
[[(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaenoxy]-oxidophosphoryl] phosphate