Showing structure for C[Si](C)(C)N=C1N=C(O)C2=C(N([C@@H]3O[C@H](COP(=O)(O)OP(=O)(O)O)[C@@H](OP(=O)(O)OP(=O)(O)O[Si](C)(C)C)[C@H]3O[Si](C)(C)C)C=N2)N1[Si](C)(C)C