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Showing structure for C[Si](C)(C)NC1=NC(O)=NC2=C1N=CN2[C@H]1C[C@H](O)[C@@H](COP(=O)(O[Si](C)(C)C)OP(=O)(O[Si](C)(C)C)OP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)O1