Showing structure for C[Si](C)(C)OCC(O)C1OC(=O)C2(O)C3=C(C=C(O)C4=C3OC(C3=CC(O)=C(O[Si](C)(C)C)C(O)=C3)C(OC(=O)C3=CC(O)=C(O)C(O)=C3)C4)OC12O