Skeletal formula of <a href="https://en.wikipedia.org/wiki/nifurfoline" class="extiw" title="w:nifurfoline">nifurfoline</a> — a <a href="https://en.wikipedia.org/wiki/nitrofuran" class="extiw" title="w:nitrofuran">nitrofuran</a> antibacterial.
Ed (<a href="//commons.wikimedia.org/wiki/User_talk:Edgar181" title="User talk:Edgar181">Edgar181</a>)
<a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/9571068">PubChem</a>