Showing structure for C[Si](C)(C)O[C@H]1C[C@H](N2C=NC3=C2N([Si](C)(C)C)C=NC3=O)O[C@@H]1COP(=O)(O)OP(=O)(O)OP(=O)(O[Si](C)(C)C)O[Si](C)(C)C