compound all-trans-octaprenyl diphosphate KEGG:C04146 InChI=1S/C40H68O7P2/c1-33(2)17-10-18-34(3)19-11-20-35(4)21-12-22-36(5)23-13-24-37(6)25-14-26-38(7)27-15-28-39(8)29-16-30-40(9)31-32-46-49(44,45)47-48(41,42)43/h17,19,21,23,25,27,29,31H,10-16,18,20,22,24,26,28,30,32H2,1-9H3,(H,44,45)(H2,41,42,43)/b34-19+,35-21+,36-23+,37-25+,38-27+,39-29+,40-31+ UPa:UPC04146 compound C40H68O7P2 CHEBI:16275