The answer is R. The structure of singulair (montelukast), a medication used to manage asthma, the absolute absolute configuration of the chirality center is r and not s. Montelukast is aeukotriene receptor antagonist used to relieve symptoms of seasonal allergies.and used <span>for the maintenance treatment of asthma.</span>
They differ from each other
The best reason to use a temperature probe is to<span> record continuous measurements over several minutes.
Hope it Help!</span>