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Showing structure for C[Si](C)(C)OC1=CC=C(C2OC3=C(CC2O[Si](C)(C)C)C(O)=CC(O[Si](C)(C)C)=C3C2=CC(O)=C(O)C=C2C2OC3=CC(O)=CC(O[Si](C)(C)C)=C3CC2O)C=C1O