Showing structure for C[Si](C)(C)OC1=C(O)C=C(C(=O)OC(CO)C(O)C2OC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C4=C3C(=O)OC2C4O)C=C1O