InChI=1S/C31H54O8Si3/c1-20-18-29-19-31(20,39-42(11,12)13)22(37-40(5,6)7)17-21(29)30(27(34)38-41(8,9)10)16-14-15-28(2,26(33)36-4)24(30)23(29)25(32)35-3/h21-24H,1,14-19H2,2-13H3/t21-,22+,23-,24-,28-,29+,30-,31+/m0/s1