1H-indole, 3-bromo-5-methoxy-1-[tris(1-methylethyl)silyl]- 3-bromo-5-methoxy-1-(triisopropylsilyl)-1H-indole InChI=1/C18H28BrNOSi/c1-12(2)22(13(3)4,14(5)6)20-11-17(19)16-10-15(21-7)8-9-18(16)20/h8-14H,1-7H