InChI=1S/C25H38O5Si3/c1-27-21-17-24(29-32(5,6)7)22(25(18-21)30-33(8,9)10)15-16-23(26)19-11-13-20(14-12-19)28-31(2,3)4/h11-18H,1-10H3/b16-15+