More pictures of pzta
![Structures of [Cu(l-LysH)(pzta)(H2O)]²⁺ (a) and [Cu(l-Phe)(pzta)(H2O)]⁺... | Download Scientific Diagram](https://i0.wp.com/www.researchgate.net/publication/332248502/figure/fig1/AS:962193818394637@1606416291588/Structures-of-Cul-LysHpztaH2O-a-and-Cul-PhepztaH2O-b-The.png)
pzta
