111457-71-7

3,14-Dioxa-5,12-dithia-4,6,7,8,9,10,11,13-octasilahexadecane,4,4,13,13-tetrakis(1,1-dimethylethoxy)-2,2,6,6,7,7,8,8,9,9,10,10,11,11,15,15-hexadecamethyl-