<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Escitalopram#History" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Escitalopram#History</a><p>Maybe the patent expiring. (WP talks about a US patent and this is the UK, so it&#x27;s a guess)