Showing structure for C[Si](C)(C)OP(=O)(OC[C@H]1O[C@@H](N2C=NC3=C2[NH]C(=N)N=C3O)[C@H](O)[C@@H]1OP(=O)(O)OP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OP(=O)(O)OP(=O)(O)O