Showing structure for CC(=O)OP(=O)(OC[C@H]1O[C@@H](N2C=NC3=C(N[Si](C)(C)C(C)(C)C)N=CN=C32)[C@H](O[Si](C)(C)C(C)(C)C)[C@@H]1O)O[Si](C)(C)C(C)(C)C