InChI=1S/C22H28N2O3Si2/c1-28(2,3)19-12-20(29(4,5)6)18(25)11-17(19)24-22(27)15-13-23-16-10-8-7-9-14(16)21(15)26/h7-13,25H,1-6H3,(H,23,26)(H,24,27)