Showing structure for C[Si](C)(C)OC1C(COC(=O)C2=CC=C(O)C=C2)OC(OC2=CC(O)=C3C(=O)C=C(C4=CC=C(O)C(O)=C4)OC3=C2)C(O[Si](C)(C)C)C1O