InChI=1S/C16H30N2O5Si2/c1-11-9-18(16(20)17-15(11)19)14-8-12(23-25(5,6)7)13(22-14)10-21-24(2,3)4/h9,12-14H,8,10H2,1-7H3,(H,17,19,20)/t12-,13+,14?/m0/s1