Showing structure for CC(C)(C)[Si](C)(C)N(C1=NC(=O)C2=C(N([C@@H]3O[C@H](CO)[C@H]4OP(=O)(O)O[C@H]43)C=N2)N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C