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<p>helping to confirm the <a href="page.php?w=Le_Bel-Van_%27t_Hoff_rule">Le Bel-Van 't Hoff rule</a> of the <a href="page.php?w=asymmetric_carbon">asymmetric carbon</a> atom.</p>

<p>In the field of enzymology, Fischer is known for his proposal of <a href="page.php?w=Enzyme">"the lock and key"</a> model as a mechanism of substrate binding.</p>

<p>Fischer was also instrumental in the discovery of <a href="page.php?w=barbiturates">barbiturates</a>, a class of sedative drugs used for insomnia, epilepsy, anxiety, and anesthesia. Along with the physician</p><p>
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