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Atomic structure
There is only one chemically distinct structure:
O=P(O)(O)OC[C@H](O)COP(=O)(O)OC[C@H](O)COP(=O)(O)OC[C@H](O)COP(=O)(O)OC[C@H](O)COP(=O)(O)OC[C@H](O)COP(=O)(O)OC[C@H](O)CO