InChI=1S/C26H50O2Si/c1-8-11-12-13-14-15-16-17-18-19-22-27-29(9-2,10-3)28-26(23-25(6)7)21-20-24(4)5/h25-26H,4,8-19,22-23H2,1-3,5-7H3