InChI=1S/C27H52O2Si2/c1-19-17-20-18-21(28-30(5,6)7)11-14-25(20,2)22-12-15-26(3)23(24(19)22)13-16-27(26,4)29-31(8,9)10/h19-24H,11-18H2,1-10H3/t19-,20-,21-,22?,23?,24?,25+,26+,27+/m0/s1