Structure of Bleomycin A2; Zhengguangmycin A2
<a href="//commons.wikimedia.org/wiki/User:Yikrazuul" title="User:Yikrazuul">Yikrazuul</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Yikrazuul" title="User talk:Yikrazuul"><span class="signature-talk">talk</span></a>)
<span class="int-own-work" lang="en">Own work</span>; <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FB918106G">10.1039/B918106G</a>