InChI=1S/C35H40O3Si4/c1-39(2,3)36-42(34-27-17-9-18-28-34,35-29-19-10-20-30-35)38-40(4,5)37-41(31-21-11-6-12-22-31,32-23-13-7-14-24-32)33-25-15-8-16-26-33/h6-30H,1-5H3