Which of the following is the product of the intramolecular Diels-Alder reaction shown below?Which of the following is the product of the intramolecular Diels-Alder reaction shown below?Which of the following is the product of the intramolecular Diels-Alder reaction shown below?
Which of the following is the product of the intramolecular Diels-Alder reaction shown below?Which of the following is the product of the intramolecular Diels-Alder reaction shown below?