Showing structure for CC(C)(C)[Si](C)(C)OC1=C(O)C(O)=C(C2=C(O)C(O)=C3OC(=O)C4=C5C(=C(O)C(O)=C4)OC(=O)C2=C35)C2=C1C=C(C(O)C(O[Si](C)(C)C(C)(C)C)C(O)CO)OC2=O