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