<span class="citations"><p>Gordon C. Campbell, Jr., Anil M. Dwivedi, Dorothy A. Levorse, James A. McCauley, Krishnaswamy S. Raghavan, "Polymorphs of losartan and the process for the preparation of form II of losartan." U.S. Patent US5608075, issued May, 1994.</p>
</span><a href="https://www.google.com/?tbm=pts#q=5608075&amp;tbm=pts" rel="noopener" target="_blank">US5608075</a>