(1,3,5,7,9,11,13,15-Octakis(dimethylsilyloxy)pentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane 1g

(1,3,5,7,9,11,13,15-Octakis(dimethylsilyloxy)pentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane 1g