InChI=1S/C28H56O3Si3/c1-27-16-14-21(29-32(3,4)5)18-20(27)12-13-22-23(27)15-17-28(2)24(22)19-25(30-33(6,7)8)26(28)31-34(9,10)11/h20-26H,12-19H2,1-11H3/t20-,21+,22?,23?,24?,25-,26+,27+,28+/m0/s1