InChI=1S/C31H58O4Si2/c1-21(11-16-29(32)33-4)25-14-15-26-24-13-12-22-19-23(34-36(5,6)7)17-18-30(22,2)27(24)20-28(31(25,26)3)35-37(8,9)10/h21-28H,11-20H2,1-10H3/t21-,22+,23+,24+,25-,26+,27+,28-,30+,31-/m0/s1