83508-93-4 GDPUC Glucosyldiphosphoundecaprenol alpha-D-Glucopyranose, 1-(P'-(3,7,11,15,19,23,27,31,35,39,43-undecamethyl-2,6,10,14,18,22,26,30,34,38,42-tetratetracontaundecaenyl) dihydrogen diphosphate)