1-(4-Ethylphenyl)-2,8,9-trioxa-5-aza-1-silabicyclo(3.3.3)undecane 128023-23-4 2,8,9-Trioxa-5-aza-1-silabicyclo(3.3.3)undecane, 1-(4-ethylphenyl)- BRN 2873635