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:
EphedrineInBottles. ephedrine In Nagajoshi Nagai Japanese researcher working in Germany isolated ephedrine as the active ingredient of ma huang but found the substance to be highly toxic In the Chinese pharmacologist Ko Kuei Chen and American pharmacologist Carl Schmidt working at Peking Union Medical College isolated ephedrine