Showing structure for CC(C)(C)[Si](C)(C)OC1=C(O)C(O)=C2C=C(C(O)C(O)C(O)CO)OC(=O)C2=C1C1=C(O)C(O)=C2OC(=O)C3=C4C(=C(O[Si](C)(C)C(C)(C)C)C(O)=C3)OC(=O)C1=C24