Showing structure for CC(C)(C)[Si](C)(C)OCC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C(COP(=O)([O-])[O-])O[Si](C)(C)C(C)(C)C