InChI=1S/C22H32O3Si/c1-4-7-11-17-23-26(5-2,6-3)24-19-20-13-12-16-22(18-20)25-21-14-9-8-10-15-21/h8-10,12-16,18H,4-7,11,17,19H2,1-3H3