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Showing structure for CC1OC(OC2=CC=C(C3=CC(=O)C4=C(O[Si](C)(C)C)C=C(O[Si](C)(C)C)C(C5OC(CO)C(O)C(O[Si](C)(C)C)C5O[Si](C)(C)C)=C4O3)C=C2)C(O)C(O)C1O