InChI=1S/C26H52O2Si/c1-21(2)14-11-15-22(3)16-12-17-23(4)18-13-19-24(5)20-25(27)28-29(9,10)26(6,7)8/h20-23H,11-19H2,1-10H3/b24-20+/t22-,23-/m0/s1