Showing structure for C[Si](C)(C)OC(=O)C(=C[C@@H](O[Si](C)(C)C)[C@H](O[Si](C)(C)C)[C@@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)O[Si](C)(C)C)O[Si](C)(C)C