Showing structure for C[Si](C)(C)OP(=O)(OP(=O)(O)O)OP(=O)(O)OC[C@H]1O[C@@H](N(C2=C(N)C(=O)N([Si](C)(C)C)C(N)=N2)[Si](C)(C)C)[C@H](O)[C@@H]1O