Showing structure for CC(C)(C)[Si](C)(C)OC1C(O)C(CO)OC(OC2=CC3=C(CC(O)C(C4=CC=C(O)C(O)=C4)O3)C3=C2C(C2=CC=C(O)C(O)=C2)CC(=O)O3)C1O