Showing structure for CC(C)(C)[Si](C)(C)OC1=CC=C(/C=C\C(=O)OC2CC(O[Si](C)(C)C(C)(C)C)(C(=O)O)CC(O[Si](C)(C)C(C)(C)C)C2O[Si](C)(C)C(C)(C)C)C=C1O