Showing structure for C[Si](C)(C)OCC1OC(OC2=CC=C(C3CC(=O)C4=CC=C(O)C=C4O3)C=C2)C(OC2OCC(CO[Si](C)(C)C)(O[Si](C)(C)C)C2O)C(O[Si](C)(C)C)C1O