Showing structure for C[Si](C)(C)NC1=NC(N(C[C@H](O)[C@H](O)[C@@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)O[Si](C)(C)C)[Si](C)(C)C)=C(N([Si](C)(C)C)[Si](C)(C)C)C(=O)[NH]1