InChI=1S/C23H34O5Si/c1-13-11-22-12-14(13)7-8-15(22)23-16(28-29(4,5)6)9-10-21(2,20(25)27-23)18(23)17(22)19(24)26-3/h14-18H,1,7-12H2,2-6H3/t14-,15?,16-,17-,18?,21-,22+,23+/m0/s1