Atomic structure
There is only one chemically distinct structure:
CCCCCC=CCC=CCC=CCC=CCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)O[C@@H]1[C@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1O