Showing structure for CC(C)(C)[Si](C)(C)OC1=C(O)C=C2C(=O)OC(C(O)C(CO)OC(=O)C3=CC(O)=C(O)C(O)=C3)C3OC(=O)C4=C(C(O)=C(O)C(O)=C4C2=C1O)C3O