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[(3E)-3-(5,5-Dimethyl-2-oxo-1,3-dioxolan-4-ylidene)propyl] (E)-9-[(2E)-2-[[[(3E)-3-(5,5-dimethyl-2-oxo-1,3-dioxolan-4-ylidene)propoxy]carbonylamino]methylidene]cyclopropyl]-6-oxonon-2-enoate


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