((4-Undecylcyclopent-1-ene-1,2-diyl)bis(oxy))bis(trimethylsilane) 1,2-Bis(trimethylsiloxy)-4-n-undecylcyclopent-1-ene 68892-10-4 EINECS 272-596-2 Silane, ((4-undecyl-1-cyclopentene-1,2-diyl)bis(oxy))bis(trimethyl-