Showing structure for CC(C)(C)[Si](C)(C)OC1=CC(C(=O)OC2CC3=C(O)C=C(O)C=C3OC2C2=CC(O)=C(O)C3=C2C=C(C(=O)O)C=C(O)C3=O)=CC(O)=C1O[Si](C)(C)C(C)(C)C