Showing structure for C[Si](C)(C)NC1=NC=NC2=C1N=CN2[C@@H]1O[C@H](COP(=O)(O)OP(=O)(O)O[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)[C@@H](O[Si](C)(C)C)[C@H]1OP(=O)(O)O