<a href="https://en.wikipedia.org/wiki/CHNOPS" class="extiw" title="w:CHNOPS">CHNOPS</a> (Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur)
<a href="//commons.wikimedia.org/wiki/User:Silver_Spoon_Sokpop" title="User:Silver Spoon Sokpop">Silver Spoon Sokpop</a>
<span class="int-own-work" lang="en">Own work</span>