Showing structure for CC(C)(C)[Si](C)(C)OC=C(O[Si](C)(C)C(C)(C)C)[C@H]1CCC2C3CCC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C(=O)O[Si](C)(C)C(C)(C)C)C3CC[C@@]21C