This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cinchonine.svg molecular structure of Cinchonine Strukturformel von Cinchonin Cinchonined UTC Cinchonined Ccroberts at org en derivative work Master Uegly talk PDuserw Original upload log This image is derivative work of the following images File Cinchonined with PDuserw File Upload Bot Magnus Manske Bytes no en subst