Showing structure for CC(C)(C)[Si](C)(C)OC1C(C(O)CO)OC2C3=C(O)C(O)=C(O)C(C4=C(O)C(O)=C5OC(=O)C6=C7C(=C(O)C(O)=C6)OC(=O)C4=C57)=C3C(=O)OC21