Showing structure for C[Si](C)(C)OC1=CC=CC2=C1C(=O)C1=C(O[Si](C)(C)C)C=C(C(=O)O)C=C1[C@H]2[C@H]1C2=CC(C(=O)O)=CC(O)=C2C(=O)C2=C(O[Si](C)(C)C)C=CC=C21