InChI=1S/C29H50O7Si3/c1-18-15-27-17-28(18,36-39(10,11)12)14-13-20(27)29-16-19(34-37(4,5)6)23(35-38(7,8)9)26(2,25(31)33-29)22(29)21(27)24(30)32-3/h19-23H,1,13-17H2,2-12H3/t19-,20?,21?,22?,23-,26-,27-,28-,29+/m1/s1