((4-(4-Phenyl-2,6,7-trioxabicyclo(2.2.2)oct-1-yl)phenyl)ethynyl)trimethylsilane 108614-37-5 Silane, ((4-(4-phenyl-2,6,7-trioxabicyclo(2.2.2)oct-1-yl)phenyl)ethynyl)trimethyl-