Pyrrole + PhMgBr → E + F<br>E + MeCl → G + H<br>F + MeCl → no reaction without a catalyst<br><img src="/images/question-image/engineering-chemistry/basics-of-organic-reaction-mechanism/1689929390-pyrrole-phmgbr-e-f-e-mecl-g-h.png" title="Basics of Organic Reaction Mechanism mcq question image" alt="Basics of Organic Reaction Mechanism mcq question image"><br>The structure of products E - H respectively are

Correct Answer: 3, 2, 6, 7