Showing structure for CC(C)(C)[Si](C)(C)OC1=CC2=C(C(O[Si](C)(C)C(C)(C)C)=C1OC1OCC(O)C(O[Si](C)(C)C(C)(C)C)C1O)C(=O)C=C(C1=CC=C(O)C(O)=C1)O2