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Showing structure for CCC(C)C(=O)C1=C(O)C=C(O[Si](C)(C)C(C)(C)C)C=C1OC1OC(COC2OCC(O)(CO[Si](C)(C)C(C)(C)C)C2O[Si](C)(C)C(C)(C)C)C(O)C(O)C1O