Showing structure for CC(C)(C)[Si](C)(C)OC1=C(O)C2=C3C(=C1C1=C(O)C(O)=C(O)C4=C1C(=O)OC1C4OC(C(O)CO)C1O[Si](C)(C)C(C)(C)C)C(=O)OC1=C(O)C(O)=CC(=C13)C(=O)O2