InChI=1S/C31H70N2O4SSi4/c1-28(2,3)39(13,14)32-24(26(34)36-41(17,18)30(7,8)9)21-22-38-23-25(33-40(15,16)29(4,5)6)27(35)37-42(19,20)31(10,11)12/h24-25,32-33H,21-23H2,1-20H3