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Showing structure for C[Si](C)(C)OCC1OC(C2=C(O)C(C3OC(CO[Si](C)(C)C)C(O[Si](C)(C)C)C(O)C3O)=C3OC(C4=CC=C(O)C=C4)=CC(=O)C3=C2O)C(O)C(O)C1O[Si](C)(C)C