Showing structure for C[Si](C)(C)N=C1N=C(O)C2=C(N([C@H]3C[C@H](O[Si](C)(C)C)[C@@H](COP(=O)(O)OP(=O)(O)O[Si](C)(C)C)O3)C(O)=N2)N1[Si](C)(C)C