InChI=1S/C26H40O2Si/c1-6-7-8-9-10-11-15-22-27-29(4,5)28-25-20-18-24(19-21-25)26(2,3)23-16-13-12-14-17-23/h12-14,16-21H,6-11,15,22H2,1-5H3