Chemical structure of <a href="https://en.wikipedia.org/wiki/pyrroline" class="extiw" title="w:pyrroline">2-pyrroline</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:%D9%81%D8%B1%D8%A7%D9%85%D9%88%D8%B4_%D8%B4%D8%AF%D9%87&amp;action=edit&amp;redlink=1" class="new" title="User:فراموش شده (page does not exist)">فراموش شده</a>
2021-03-06
<span class="int-own-work" lang="en">Own work</span>