Chemical structure of <a href="https://en.wikipedia.org/wiki/en:4-Methoxycinnamaldehyde" class="extiw" title="w:en:4-Methoxycinnamaldehyde">4-Methoxycinnamaldehyde</a>.
<a href="//commons.wikimedia.org/wiki/User:Hbf878" title="User:Hbf878">Hbf878</a>
2018-09-18
<span class="int-own-work" lang="en">Own work</span>