Chelation complex of [18] crown-6 with K+
Chelation complex of [18] crown-6 with K+
![Chelation complex of [18] crown-6 with K+](https://dccdn.de/www.doccheck.com/data/4l/3u/56/33/tb/tu/chelatkomplex-von-18krone-6-mit-k-patrick-messner_lg.jpg)