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Showing structure for C[Si](C)(C)O[C@@H]1[C@@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)O[C@@H](N2C=NC3=C2N=CN([C@@H]2O[C@H](COP(=O)(O)O[Si](C)(C)C)[C@@H](O)[C@H]2O)C3=N)[C@@H]1O