Showing structure for C[Si](C)(C)O[C@H]1[C@H](NC2=C(N)C(=O)N([Si](C)(C)C)C(N([Si](C)(C)C)[Si](C)(C)C)=N2)O[C@H](COP(=O)(O)OP(=O)(O)OP(=O)(O)O)[C@H]1O