Showing structure for CC(C)(C)[Si](C)(C)OC1=C(O)C(O)=C2C3=C1C(O)C(OC3=O)C(C(O)C(CO)OC(=O)C1=CC(O)=C(O)C(O)=C1)OC(=O)C1=CC(O)=C(O)C(O)=C12