Showing structure for CC(C)(C)[Si](C)(C)OC1=C(O)C(O)=C2C(=C1C1=C(O)C(O)=C3OC(=O)C4=C5C(=C(O)C(O)=C4)OC(=O)C1=C35)C(=O)OC1C2OC(C(O)CO)C1O