Showing structure for C[Si](C)(C)OC(=O)C1OC(OC2=C(O[Si](C)(C)C)C=C(O[Si](C)(C)C)C3=C2OC(C2=CC=C(O)C(O)=C2)=C(OS(=O)(=O)O[Si](C)(C)C)C3=O)C(O)C(O)C1O