In first reaction alkyne treated with base to remove proton later alkyne anion react with T20 to form tritium isotope labelled product.
In 2nd and 3rd reaction alcohol treated with D20 to form deuterium containing product.
What are reagents?
Reagents are chemical ingredients (compounds or mixtures, often made of tiny inorganic or organic molecules) used in organic chemistry to change an organic substance in the desired way.
For structure please refer attached file
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