Showing structure for C[Si](C)(C)OCC1OC(C2=C(O[Si](C)(C)C)C=C3OC(C4=CC(O)=C(O[Si](C)(C)C)C=C4O[Si](C)(C)C)=CC(=O)C3=C2O)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C1O