Showing structure for CC(C)(C)[Si](C)(C)OC(=O)/C(=C1\OC(=O)C(C2=CC=C3C(=O)C(=O)C=C(C4=C(O)/C(=C(\C(=O)O)C5=CC=C(O)C=C5)OC4=O)C3=C2)=C1O)C1=CC=C(O[Si](C)(C)C(C)(C)C)C=C1