((4-(4-(1-Methylethyl)-2,6,7-trioxabicyclo(2.2.2)oct-1-yl)phenyl)ethynyl)trimethylsilane 134133-95-2 Silane, ((4-(4-(1-methylethyl)-2,6,7-trioxabicyclo(2.2.2)oct-1-yl)phenyl)ethynyl)trimethyl-