Showing structure for CC1=CC(=O)C2=C(O)C3=C(C(O[Si](C)(C)C(C)(C)C)=C2C1=O)C1C(O)C(C3=O)C23C(=O)C4=CC(C)=CC(O)=C4C(=O)C2=C(O)CC(O[Si](C)(C)C(C)(C)C)C13