Showing structure for C=C(O[Si](C)(C)C(C)(C)C)[C@@]1(O[Si](C)(C)C(C)(C)C)CCC2C3C[C@@](C)(O[Si](C)(C)C(C)(C)C)C4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)C3CC[C@@]21C