InChI=1S/C39H72O4Si3/c1-34(2)22-24-39(33(40)43-46(13,14)15)25-23-37(5)28(29(39)26-34)16-17-31-35(3)20-19-32(42-45(10,11)12)36(4,27-41-44(7,8)9)30(35)18-21-38(31,37)6/h16,29-32H,17-27H2,1-15H3/t29-,30+,31+,32-,35-,36-,37+,38+,39-/m0/s1