Ball-and-stick model of the immunosuppressant drug <a href="https://en.wikipedia.org/wiki/betamethasone" class="extiw" title="w:betamethasone">betamethasone</a>
<a href="//commons.wikimedia.org/wiki/User:SubDural12" title="User:SubDural12">SubDural12</a>
<span class="int-own-work" lang="en">Own work</span>