InChI=1S/C25H46O2Si/c1-5-9-10-11-12-13-14-15-16-20-23-26-28(7-3,8-4)27-25(6-2)24-21-18-17-19-22-24/h17-19,21-22,25H,5-16,20,23H2,1-4H3