The following product is formed by an intramolecular Diels-Alder reaction. Provide the structure of the starting compound. 
Definitions:
Dominant Strategy
In game theory, a strategy that is best for a player regardless of the strategies chosen by other players.
Davy Crockett Figurines
Small modeled representations or statues of Davy Crockett, the 19th-century American folk hero, soldier, and politician, often collected as memorabilia or toys.
Handmade
Pertains to goods that are crafted manually by individuals rather than manufactured through automated processes, often implying uniqueness and quality.
Without Collusion
A market condition where firms independently set prices and outputs without cooperative agreements, maintaining competitive practices.
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