Showing structure for CCC(C)C(=O)C1=C(OC2OC(COC3OCC(O)(CO)C3O)C(O)C(O)C2O[Si](C)(C)C(C)(C)C)C=C(O[Si](C)(C)C(C)(C)C)C=C1O[Si](C)(C)C(C)(C)C