InChI=1S/C21H52O6Si5/c1-28(2,3)22-16-18-19(25-30(7,8)9)20(26-31(10,11)12)21(24-18,27-32(13,14)15)17-23-29(4,5)6/h18-20H,16-17H2,1-15H3/t18-,19+,20+,21+/m0/s1