This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
Original upload log
This image is a derivative work of the following images:
2008-11-03T19:59:35Z Yikrazuul 640x270 (13470 Bytes) {{Information |Description={{de|1=Bildung von Ammonium aus Ammoniak}} |Source=Own work by uploader |Author=[[User:Yikrazuul|Yikrazuul]] |Date=3.11.08 |Permission= |other_versions= }}