Tris (O-TBDMS)3;6-(((tert-Butyldimethylsilyl)oxy)methyl)-2,2,3,3,9,9,10,10-octamethyl-4,8-dioxa-3,9-disilaundecan-6-amine;Thiophene,2-(6-bromoethyl)-;4,8-Dioxa-3,9-disilaundecan-6-amine, 6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2,3,3,9,9,10,10-octamethyl-