497251-78-2 4,9-Dioxa-3,10-disiladodec-6-ene,6-(bromoethynyl)-2,2,3,3,10,10,11,11-octamethyl-7-[(trimethylsilyl)ethynyl]-, (6E)- 514820-48-5 (αR,3aS,4S,6S,7aR)-hexahydro-3a,5,5-trimethyl-α-(2-methylpropyl)-N,N-bis(trimethylsilyl)-4,6-Methano-1,3,2-benzodioxaborole-2-methanamine