InChI=1S/C25H29FO2Si/c1-4-27-21-13-15-23(16-14-21)29(2,3)18-8-9-20-12-17-24(26)25(19-20)28-22-10-6-5-7-11-22/h5-7,10-17,19H,4,8-9,18H2,1-3H3