structure of4-thiouridine
<a href="//commons.wikimedia.org/wiki/User:The_Titou" title="User:The Titou">The Titou</a>
2015-08-31
<span class="int-own-work" lang="en">Own work</span> with <a href="//commons.wikimedia.org/wiki/File:Cytidin.svg" title="File:Cytidin.svg">File:Cytidin.svg</a>