Showing structure for C[Si](C)(C)OC1=CC(C(=O)OC2CC3=C(OC(=O)C4=CC(O[Si](C)(C)C)=C(O)C(O[Si](C)(C)C)=C4)C=C(O)C=C3OC2C2=CC=C(O)C(O)=C2)=CC(O)=C1O