Showing structure for C[Si](C)(C)N=C1N=C(O[Si](C)(C)C)C2=C([NH]1)N([C@H]1C[C@H](O)[C@@H](COP(=O)(O)OP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)O1)C(O[Si](C)(C)C)=N2