Showing structure for C[Si](C)(C)OCC1OC(OC2=CC(O)=CC(/C=C/C3=CC=C(OC4OC(C(=O)O)C(O)C(O[Si](C)(C)C)C4O[Si](C)(C)C)C=C3)=C2)C(O)C(O[Si](C)(C)C)C1O