6699-20-3 Diphosphoric acid, mono((2E,6E,10E)-3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraenyl) ester Diphosphoric acid, mono(3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraenyl) ester, (E,E,E)- GGDP Geranylgeraniol diphosphate Geranylgeranyl pyrophosphate