Showing structure for CC(C)(C)[Si](C)(C)OC1=C(C2=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C2)C(=O)/C(=C\C2=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C2)OC1=O