InChI=1S/C31H56O4Si2/c1-21(14-17-28(32)33-4)23-15-16-24-29-25(20-27(31(23,24)3)35-37(8,9)10)30(2)18-12-11-13-22(30)19-26(29)34-36(5,6)7/h13,21,23-27,29H,11-12,14-20H2,1-10H3/t21-,23-,24?,25?,26-,27+,29?,30+,31-/m0/s1