1-(4-((Trimethylsilyl)ethynyl)phenyl)-2,8,9-trioxa-5-aza-1-silabicyclo(3.3.3)undecane 128023-26-7 2,8,9-Trioxa-5-aza-1-silabicyclo(3.3.3)undecane, 1-(4-((trimethylsilyl)ethynyl)phenyl)-