InChI=1S/C31H61NO4Si3/c1-30-18-17-23(35-38(7,8)9)19-22(30)13-14-24-25-15-16-26(27(32-33-3)21-34-37(4,5)6)31(25,2)20-28(29(24)30)36-39(10,11)12/h22-26,28-29H,13-21H2,1-12H3/t22-,23-,24?,25?,26?,28+,29?,30?,31?/m0/s1