InChI=1S/C30H53NOSi/c1-21(2)10-9-11-22(3)26-14-15-27-25-13-12-23-20-24(31-32-33(6,7)8)16-18-29(23,4)28(25)17-19-30(26,27)5/h20-22,25-28H,9-19H2,1-8H3